how to extract login with hotel details from WSDL in window application

public partial class AuthenticationHeader : System.Web.Services.Protocols.SoapHeader {

       private string usernameField;

       private string passwordField;

       private string hotelcodeField;

       private string idContextField;

       /// <remarks/>
       [System.Xml.Serialization.XmlElementAttribute(DataType="NCName")]
       public string Username {
           get {
               return this.usernameField;
           }
           set {
               this.usernameField = value;
           }
       }

       /// <remarks/>
       [System.Xml.Serialization.XmlElementAttribute(DataType="NCName")]
       public string Password {
           get {
               return this.passwordField;
           }
           set {
               this.passwordField = value;
           }
       }

       /// <remarks/>
       [System.Xml.Serialization.XmlElementAttribute(DataType="NCName")]
       public string Hotelcode {
           get {
               return this.hotelcodeField;
           }
           set {
               this.hotelcodeField = value;
           }
       }

       /// <remarks/>
       [System.Xml.Serialization.XmlElementAttribute(DataType="NCName")]
       public string idContext {
           get {
               return this.idContextField;
           }
           set {
               this.idContextField = value;
           }
       }
   }

<xs:element name="AuthenticationHeader">
<xs:complexType>
<xs:sequence>
<xs:element name="Username" type="xs:NCName"/>
<xs:element name="Password" type="xs:NCName"/>
<xs:element name="Hotelcode" type="xs:NCName"/>
<xs:element minOccurs="0" name="idContext" type="xs:NCName"/>
</xs:sequence>
</xs:complexType>
</xs:element>
<xs:element name="Hotelcode" type="xs:string"/>
<xs:element name="Password" type="xs:string"/>
<xs:element name="Username" type="xs:string"/>
<xs:element name="ErrorDetails" nillable="true" type="ns0:errorMessage"/>
</xs:schema>