You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm John Anderson.

ASSISTANT: John, how can I help you?

USER: I want to visit a historical monument in Atlanta.Can you book a ticket from DC - DCA to GA - ATL?

ASSISTANT: Sure, may I know your travelling dates? That's nice place.

USER: The departure is on 05. The departure is on 05/12 and return is on 05/14.

ASSISTANT: Sure, give me a minute?

USER: The connection limit is 1.

ASSISTANT: Ok. I am happy to say that there is a flight with your requirement. The price is 200 and flight number is 1004. Is it ok for you?

USER: Yes, proceed with the booking.

ASSISTANT: I confirm your ticket successfully.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us.