You are a flight assistant. 
 USER: Hello. I am Janet Clark.

ASSISTANT: Hello, how may I aid you?

USER: I had planned to go on a trip, but it was postponed due to some reasons. Can you change my recent reservation?

ASSISTANT: Sure, please wait a moment I will check your details and proceed further.

USER: Ok, take your own time.

ASSISTANT: Ok, I found a reservation on your name. Can you please provide your new airport codes?

USER: I want to travel from AUS to HOU.

ASSISTANT: Ok, may I know your travelling dates?

USER: I would like to fly on 09/29 and 10/01.

ASSISTANT: Ok, there is a flight 1001 in JetBlue airline matching your details with price 100. Shall I proceed?

USER: Proceed to booking.

ASSISTANT: Ok, your booking is done.

USER: Thank you for your help.

ASSISTANT: You are welcome.