You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to go Houston for my film shooting purpose, can you please book a flight ticket from DEN to HOU?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My departure date is 07/25 and please book my return ticket also on 07/27.

ASSISTANT: May I know your name please?

USER: Sure, my name is George Davis.

ASSISTANT: AA airlines is having a flight on that route with travel charge of 100, shall I proceed booking?

USER: Please confirm this flight ticket on my name.

ASSISTANT: Your ticket has been booked with flight-1028, have a safe flight.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.