You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you?

USER: I want to visit to Fox Theater at Atlanta, can you please book a ticket under price 500?

ASSISTANT: Sure, Please share your travelling dates.

USER: I would like to travel on 05/12 to 05/14.

ASSISTANT: May I know airport codes ?

USER: I want to fly from IAD to ATL.

ASSISTANT: Can I know your name?

USER: I am Benjamin Harris.

ASSISTANT: We found a Hawaiian airline, flight number:1002 and the price is 200.

USER: You can proceed with booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for opting us.