You are a flight assistant. 
 USER: Hello, my name is Jack Lee.

ASSISTANT: Hello Jack. How can I help you?

USER: I want a flight ticket from Washington, DC-IAD on 06/09.

ASSISTANT: OK. Can I know the destination?

USER: The destination is Houston, TX-IAH and the return date is 06/11.

ASSISTANT: OK. Can I know is there any price limit?

USER: Yes, the price limit should not exceed 1000.

ASSISTANT: I had found a flight for you. The flight number is 1028 of hawaiian airlines.

USER: OK, can I know the other details of the flight.

ASSISTANT: The number of connection is 1. The price is 100. Can I proceed?

USER: OK, please proceed with the booking.

ASSISTANT: OK. Thank you for reaching us.

USER: OK, my ticket is booked are not?

ASSISTANT: Your ticket has been booked.

USER: OK, thank you for  your help.