You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am planning to enjoy my with my friends at DCA, can you help me with booking from BOS?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are Apr 01 and Apr 03.

ASSISTANT: Do you need a connecting flight?

USER: Yes, I need a connecting flight.

ASSISTANT: May I know your name?

USER: I am George Roberts.

ASSISTANT: We found a flight of United airline, flight number 1018 with the fare of 200. Can I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.