You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you now?

USER: I need to travel from BOS to IAD, can you help me in doing that?

ASSISTANT: Sure, please share me your planned journey dates?

USER: My trip dates are Dec 24 to 26.

ASSISTANT: Do you want a connecting flight?

USER: I need a connecting flight.

ASSISTANT: Is there any other requirement related to booking?

USER: No.

ASSISTANT: May I know your good name?

USER: Sarah Davis here.

ASSISTANT: I found a connecting flight 1009 of airline UA, fare is 100 and class is economy. Shall I proceed with booking?

USER: Ok, proceed.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for visiting us, have a nice journey.