You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me in booking a flight ticket from Boston, BOS to reach Washington, DCA?

ASSISTANT: Sure, may I know your trip dates?

USER: My journey dates are from Feb 25 to Feb 27.

ASSISTANT: Do you have any connection limit?

USER: I need a lay by in between journey.

ASSISTANT: Are there any specifications?

USER: My return time is afternoon.

ASSISTANT: May I know your name?

USER: My name is Robert Edwards.

ASSISTANT: Flight number 1018 with price 200 with a single connection is available. Is it ok?

USER: I am ok with that flight, please proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your extendable support.

ASSISTANT: Thank you for reaching us.