You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I want to visit Dallas in this my winter holidays, can you please book a flight ticket for me?

ASSISTANT: Sure, when would you like to travel?

USER: I would like to travel on 11/18 and please book my return ticket also on 11/20.

ASSISTANT: Please provide your airport codes that you want to travel.

USER: My departure airport code is HOU and destination airport is DFW.

ASSISTANT: Please mention the name for booking the ticket.

USER: Myself Steven White.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: Thank you for waiting. Based on your details, there is a flight with price 200 and the connections 1 is available.

USER: Yes, I am comfortable with this flight, please confirm my ticket.

ASSISTANT: Your ticket is booked. The flight number is 1022 and the airline is UA.

USER: Thank you for assisting me.

ASSISTANT: Welcome, have a great day.