You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Jonathan Taylor here.

ASSISTANT: How may I aid you today?

USER: Due to sudden work, I need to change my reservation. Can you please help me with it?

ASSISTANT: Sure, I will help you. Thanks for waiting, we are glad to inform you that your name is existed in the reservation list.

USER: Ok.

ASSISTANT: Please share complete journey details.

USER: I would like to start from AUS to ORD. My trip dates will be on 09/08 to 09/10. I need a connecting flight. Fare is 200.

ASSISTANT: Ok, please wait, I will revert to you.

USER: Ok.

ASSISTANT: Thanks for waiting, we found a JetBlue plane with flight number 1001 that matches your request.

USER: You can proceed to booking.

ASSISTANT: Your ticket is reserved.

USER: Thank you.

ASSISTANT: Thank you.