You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I want to travel from BOS to DCA. Can you help me to book a flight ticket?

ASSISTANT: Sure, can you please share your travel dates?

USER: I want to travel in the flight on Apr 13 and Apr 15.

ASSISTANT: May I know your connection limit?

USER: I want to travel in a connecting flight.

ASSISTANT: Do you have any other specification that you are looking for?

USER: No.

ASSISTANT: May I know your name to proceed further?

USER: Mark Davis.

ASSISTANT: There is a flight available with price 400 and the connection is 0 with United Airline. Would you like me to proceed with the booking?

USER: Proceed to booking.

ASSISTANT: Your booking is confirmed with 1013 flight number and the depart time is 7:00 hours, return time is 23:00 hours.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.