You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: I want to go SFO next week to meet my friends there, can you please book a flight ticket from DFW airport?

ASSISTANT: Sure, will you mention your preferable journey dates?

USER: My departure date is 01/30 and please book my return ticket also on 02/01.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: There is a flight with price 200 and the connections 1 is available.

USER: Please book this flight ticket under my name Joseph Smith.

ASSISTANT: Your ticket is booked. The flight number is 1004 and the airline is Delta.

USER: Thank you for your help.

ASSISTANT: Welcome, have a great day.