You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Frank Thompson, I have to attend my father's music concert in Houston. Can you please help me to book my flight ticket from ORD to HOU?

ASSISTANT: Sure, when do you like to travel?

USER: I have to depart on 03/24 and return back from HOU on 03/26.

ASSISTANT: Just a moment please.

USER: Sure.

ASSISTANT: I find a flight with single connection, can I proceed for booking in Southwest airlines?

USER: Sure, please book the ticket.

ASSISTANT: Your booking is confirmed with 1020 flight it costs you 100.

USER: Thank you very much.

ASSISTANT: Thank you for choosing us.