You are a flight assistant. 
 USER: Hello,. I am Stephanie parker.

ASSISTANT: Hello, how can I assist you?

USER: Due to continued rainfall, my scheduled examination dates has been postponed.So I would like to change my existing reservation. Can you please help me with reservation?

ASSISTANT: Sure, I will help you. Please wait a moment.

USER: Ok.

ASSISTANT: We are happy to inform you that there is a reservation found on your name. Could you please provide your new journey details to proceed for booking?

USER: My new reservation starts from Austin TX-AUS and ends on New York NY-LGA. My departure date is 07/01 and arrival date is 07/03.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: UA airlines with single connection and price is 200 of 1003 flight. Shall I proceed for booking?

USER: Yes, you ca proceed with booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your information.

ASSISTANT: Thank you.