You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to fly from washington DC-IAD . to attend a house warming function on 08/02.

ASSISTANT: OK may I know your name please?

USER: Please book my ticket to Houston,TX-IAH and my return date would  be on 08/04. I am Alexander Hill.

ASSISTANT: OK thank you, do you have any price limit?

USER: Make sure that the price should be with in 200.

ASSISTANT: OK, can you please wait for a while, I will let you know.

USER: OK.

ASSISTANT: Thanks for waiting, we found a flight matching with your details. The details are, flight is 1002 with JetBlue airlines, and price is of 200 with single connection. Shall I proceed with the booking?

USER: You can book this airline.

ASSISTANT: OK, your ticket has been booked.

USER: Thank you for your information.

ASSISTANT: Thank you for contacting us, have a great day..