You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Please book a flight ticket from DCA to DEN?

ASSISTANT: Sure, may I know your travel dates?

USER: My journey dates are Sept 28 and Sept 30.

ASSISTANT: Do you have any specifications?

USER: I prefer a economy class.

ASSISTANT: May I know your name?

USER: I am Scott Robinson.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: We found an airline Southwest with flight 1014 having a fare 100 with stopover. Shall I proceed with booking?

USER: Go ahead.

ASSISTANT: Your booking has been processed.

USER: Thank you for your help.

ASSISTANT: Thank you.