You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Please check the availability of flights from DTW to IAD under 500 fare.

ASSISTANT: Sure, can I know your preferable dates?

USER: Sure, my preferable travel dates are 10/20 and 10/22.

ASSISTANT: On which name should I reserve the ticket?

USER: Please reserve on the name of Matthew White.

ASSISTANT: We found a flight from JetBlue airline with 1 connection and price is 200. Shall I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket is booked with 1003 flight number.

USER: Thanks a lot for such a kind help.

ASSISTANT: Thank you for reaching us.