You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you at this moment?

USER: Could you please book a flight ticket from DCA to BOS?

ASSISTANT: Sure, can you please forward your journey dates?

USER: My journey dates are June 25 and June 27.

ASSISTANT: Do you have any connection limit?

USER: I need a single connecting flight.

ASSISTANT: Are there any more specifications?

USER: No.

ASSISTANT: May I know your name please?

USER: My name is Margaret Allen.

ASSISTANT: There is a flight found matching your preferences, American as airlines, flight number 1014, and the fare of 100 in economy class. Shall I proceed?

USER: Yes, proceed.

ASSISTANT: Your ticket has been reserved with connecting flight.

USER: Thank you for your service.

ASSISTANT: Thank you for approaching us.