You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Please assist me in booking a flight ticket from BOS to DCA.

ASSISTANT: Let me know your travel dates.

USER: My travel dates are from Feb 12th to Feb 14th.

ASSISTANT: Is there any connection limit?

USER: Yes, I want a single connection in between my journey.

ASSISTANT: Do you have any preference?

USER: Yes, I want to depart in the afternoon.

ASSISTANT: Can I know your name?

USER: I am Jerry Moore.

ASSISTANT: Found ticket with United airlines for price 200.

USER: If it matches my requirements, please proceed.

ASSISTANT: Your ticket is booked in an economy class having flight number 1000.

USER: May I know the depart timings?

ASSISTANT: Depart timing 15:00 hours.

USER: Thank you.

ASSISTANT: Thank you.