You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you?

USER: Please reserve me a flight ticket from DCA to CLT.

ASSISTANT: Sure, I am happy to help you. Let me know your trip dates.

USER: My trip dates are Sept 09 and Sept 11.

ASSISTANT: Do you have any stopover in between journey?

USER: Yes, I need a stopover in between my journey.

ASSISTANT: Is there any other specifications for you?

USER: No.

ASSISTANT: May I know your good name?

USER: I am Benjamin Scott.

ASSISTANT: We found a connecting flight in Frontier airline with a fare of 200 which departs at 19:00 and return at 6:00. Shall I proceed for booking?

USER: Please proceed to book my flight ticket in this airlines.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1009.

USER: Thank you.

ASSISTANT: Thank you for choosing us.