You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER:  I have to go Denver for my film shooting purpose, can you please book a flight ticket from ATL to DEN?

ASSISTANT: Sure, can you please tell me your trip dates?

USER: My trip dates are from 01/27 to 01/29.

ASSISTANT: Sure, may I know your name please?

USER: My name is Cynthia Adams.

ASSISTANT: Adams, flight-1005 is available from Southwest airlines and the ticket costs you 100 only. Shall I book the ticket for you?

USER: Please book my ticket. Thank you helping me.

ASSISTANT: Your ticket is booked successfully.

USER: You are welcome.