You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Alexander Hall, I have a business meeting in Boston. Can you please help me for that?

ASSISTANT: Sure, I will help you in booking. Can you please share your trip dates?

USER: Ok, my travelling dates are from 12/26 to 12/28.

ASSISTANT: Can you please tell me your airport codes?

USER: My travelling airport codes are from DCA to BOS.

ASSISTANT: Here, I found a flight for you with 1 connection and fare is 100 in Delta airlines.Can I proceed?

USER: Please proceed for booking.

ASSISTANT: Your booking is done with flight 1010.

USER: Thank you for booking.

ASSISTANT: Welcome.