You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I would like to visit Houston next month, can you please book a flight ticket from PHX to HOU?

ASSISTANT: Sure, can I know the travel dates please?

USER: I want to departure from Phoenix on 06/04 and please book my return ticket also on 06/06.

ASSISTANT: May I know your name please?

USER: Sure, my name is Carol King.

ASSISTANT: There is a flight in AA airline with price 100, can I book it?

USER: That's great, please book this flight ticket for me.

ASSISTANT: You ticket has been booked with flight number 1020.

USER: Thank you for your service.

ASSISTANT: Thank you for approaching us.