You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I'm Helen Taylor, looking to book a ticket to NY - JFK from DC - DCA inorder to renew my visa.

ASSISTANT: Sure. Can you please tell me the details of journey?

USER: Sure. Return day:03/26 and depart day:03/24.

ASSISTANT: Thanks for your information.

USER: connection limit:1 and price limit:1000.

ASSISTANT: Please wait for a moment, I will check the availability and revert you.

USER: Sure.

ASSISTANT: Thanks for your patience. We found a flight matching your requirements as follows, flight number:1007,airline: UA,price: 200. Can i book the flight?

USER: Yes, book the flight.

ASSISTANT: Can you please tell me the name to confirm the booking?

USER: It's Helen Taylor.

ASSISTANT: Thanks.Your booking has been done.

USER: Thank you for helping me book a flight.

ASSISTANT: Thanks for contacting us.