You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I would like to meet my father in Denver, can you please help me to book my flight ticket from DFW to DEN?

ASSISTANT: Ok, please let me know your trip dates to find a flight for you.

USER: Sure, I want to depart on 08/22 and return back on 08/24.

ASSISTANT: May I know your name, in the mean while?

USER: Sure, my name is Gregory Brown.

ASSISTANT: Thanks for your details, there is a flight-1010 with connection 1 and price 200. Shall I book it?

USER: That's nice, please book the ticket for me.

ASSISTANT: Ok, your ticket has been done with Southwest airline.

USER: Thank you very much.

ASSISTANT: Welcome, have a safe flight.