You are a flight assistant. 
 USER: Hi. I am Timothy Clark.

ASSISTANT: Hello. How can I assist you?

USER: I am looking for a flight from DCA to PHX, can you help me in booking the flight ticket?

ASSISTANT: Sure, I am here to help you. Can I know your travelling dates please?

USER: My travelling dates are from 12/23 till 12/25.

ASSISTANT: How much you can pay for this ticket?

USER: Money is not at all matter for me. Check the costlier flight?

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a flight with number 1008 and airline Southwest at a price of 100 with 1 connection. Shall I proceed?

USER: Proceed with it.

ASSISTANT: Sure, your booking is done.

USER: Thank you.

ASSISTANT: Thank you for choosing us, have a nice day.