You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Jonathan Edwards here.

ASSISTANT: How can I assist you?

USER: I'm planning to visit some of the tourist places of Denver, can you please book me a ticket?

ASSISTANT: Ok, may I know your travelling dates?

USER: Sure, my travel dates are 04/09 and 04/11.

ASSISTANT: May I know your travelling codes?

USER: My source airport code is MCO and destination airport code is DEN.

ASSISTANT: Ok, please wait for a while.

USER: Sure, take your time.

ASSISTANT: There is a flight 1014 in southwest airline has the price 100. Can I proceed?

USER: Yes, you can proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for booking.

ASSISTANT: Thank you for approaching us.