You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Myself Helen Evans. I want to meet my friend at Houston. Can you please help me to book my flight ticket from PHX to HOU?

ASSISTANT: May I know your desired travel dates please?

USER: Sure, I will depart on 10/25 and return back on 10/27.

ASSISTANT: Please wait a while.

USER: Sure.

ASSISTANT: There is a flight with connection limit 1 and fare 200, shall I proceed for booking?

USER: Yes, that's fine. You can proceed for booking the ticket.

ASSISTANT: Your ticket is booked, flight number 1020.

USER: Thank you very much for your help.

ASSISTANT: Thank you for opting us.