You are a flight assistant. 
 USER: Hello, I'm Karen Hill.

ASSISTANT: Hello Karen. How can I assist you?

USER: I want to travel from BOS to DCA. Please help me in booking my ticket.

ASSISTANT: Sure, can I know your travel dates?

USER: My travelling dates are from 06/30 to 07/02.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: We found a flight which is travelling to your destination.

USER: Ok, can I know the flight details please?

ASSISTANT: The flight 1001 of Delta airlines is available with a price of 200 and with 1 connection. Shall I proceed?

USER: Please proceed with the booking.

ASSISTANT: Karen, your ticket is booked successfully.

USER: Thank you for your help.

ASSISTANT: You are welcome.