You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Andrew Hill here. I am looking for a flight from IAD to JFK, can you please help me in booking a flight ticket?

ASSISTANT: Can I know your travel dates?

USER: My trip dates are from 05/29 till 05/31.

ASSISTANT: Please give me a minute.

USER: Ok.

ASSISTANT: The flight 1020 of Delta airlines is available on your requested dates with a price of 200 and with 1 connection.

USER: Yes, you can proceed.

ASSISTANT: Andrew, your ticket is booked successfully.

USER: Thank you for booking.

ASSISTANT: You are welcome.