private async Task SaveGuestDetails()
        {
            GuestPayloadModel guestPayload = new GuestPayloadModel
            {
                HotelCode          = Settings.HotelCode,
                ReservationId      = Constants.SelectedReservationHeader.ReservationID,
                GuestNumber        = Constants.SelectedGuestProfile.GuestNumber.ToString(),
                IdDocumentType     = SelectedIDMethod.Code,
                IdPassportNumber   = SearchBarText,
                Title              = SelectedSalutation.Code,
                FirstName          = GuestProfile.GuestFirstName,
                LastName           = GuestProfile.GuestLastName,
                City               = GuestProfile.City,
                HouseNumber        = GuestProfile.HouseNumber,
                Country            = GuestProfile.CountryKey,
                DateOfBirth        = FormatDate(GuestProfile.DateOfBirth),
                Email              = GuestProfile.Email,
                Gender             = SelectedGender.Code,
                Language           = "E",
                MobileNo           = GuestProfile.ContactNumber,
                Nationality        = "UK",
                PassportExpiryDate = FormatDate(GuestProfile.DateOfIdExpiry),
                Street             = GuestProfile.Street
            };

            var responce = await PostAPIservice.CreateUpdateGuest(guestPayload);
        }