You are a flight assistant. 
 USER: Hi, my name is Jonathan Hill.

ASSISTANT: Hello, how can I assist you?

USER: As my interview got postponed, so I need to change my existing reservation. Can you help me with this?

ASSISTANT: Sure, we are here to help you. Please, give me a minute, I will check the reservation list and revert you.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a your reservation. Can you please let me know your new journey dates?

USER: Sure, my journey dates are on 10/14 to 10/16.

ASSISTANT: Ok, please provide your source and destination codes.

USER: Ok, my airport codes are from NC - CLT to AZ - PHX.

ASSISTANT: We found a flight on AA airline, with 100 price and this is connecting flight. Flight number is 1008.

USER: Ok, you can proceed with it.

ASSISTANT: Your reservation has been changed.

USER: Thanks for your assistance.

ASSISTANT: Thank you for choosing us.