You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I would like to change my reservation due to some health issues, can you please help me out with that?

ASSISTANT: Sure, I am here to help you with that, can I know your good name to proceed further?

USER: Thank you. Myself Carol Williams.

ASSISTANT: I found your reservation, may I know your new travelling dates?

USER: Sure, my travel dates are from Sept 07 to Sept 09.

ASSISTANT: Please mention your travelling airport codes.

USER: My source and destination airport codes are DTW and ORD.

ASSISTANT: Do you have any specifications?

USER: I would prefer connecting flight for my trip.

ASSISTANT: There is a flight with the price of 200 having one connection and economy class. Can I proceed to booking?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been reserved with the flight- 1006.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.