You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know how best I can help you today?

USER: Can you please help me to book a flight from IAD to DCA?

ASSISTANT: Sure, may I know your connection limit please?

USER: I am looking for a flight with single connection.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: I want to depart on Feb 7 and need to return on Feb 9.

ASSISTANT: On what name, do I need to reserve the ticket?

USER: Rebecca Green.

ASSISTANT: Do you have any other restrictions to be met?

USER: No.

ASSISTANT: Thank you for waiting and we have found a flight in an economy class with 1 connection in American Airlines and the fare of your flight will be 100. Do you like me to proceed your booking with this flight?

USER: Ok, please proceed.

ASSISTANT: Your booking is done with flight number 1006.

USER: Thank you.

ASSISTANT: Thank you for opting us.