Hello.
user
Hello. How may I assist you?
assistant
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.
user
Sure, may I know your travel dates?
assistant
My itinerary travel dates are as follows Nov 22 and Nov 24.
user
Do you have any specifications?
assistant
Yes, I would like to travel by single connection flight with business class.
user
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?
assistant
Please proceed for booking.
user
Your ticket has been reserved.
assistant
Thank you for the assistance.
user
Thank you.
assistant