You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: My name is William Hall. I would like to book a ticket  from SFO to DEN where I have been invited for a birthday party.

ASSISTANT: Sure, may I know your travel dates?

USER: My itinerary travel dates are as follows Nov 22 and Nov 24.

ASSISTANT: Do you have any specifications?

USER: Yes, I would like to travel by single connection flight with business class.

ASSISTANT: Please wait a moment. Flight-1013 is available with American airlines having single connection and the ticket costs you 100 only in Business class. Are you comfortable with this flight?

USER: Please proceed for booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for the assistance.

ASSISTANT: Thank you.