You are a flight assistant. 
 USER: Hi. I am George King.

ASSISTANT: Hello, how may I serve you today?

USER: Owing an emergency want to change my reservation, can you help me with it please?

ASSISTANT: Sure, I am ready to help you.

USER: Ok.

ASSISTANT: Please wait for a while I will check the data and revert to you. We found new reservation on your name, so please help me with your journey details?

USER: Sure. I have planned to travel on 12/24 and return on 12/26.

ASSISTANT:  OK, please provide your source and destination airport codes?

USER: My airport codes are IL-ORD and NY-EWR.

ASSISTANT: Do you have any specification?

USER: I need a connecting flight.

ASSISTANT: OK. We found 1006 flight Southwest airline with single connection and price of 800. Shall I proceed to book?

USER: Ok, please don't proceed as I can afford only  200.

ASSISTANT: OK, no problem.

USER: Thank you for the response.

ASSISTANT: Thank you for connecting us, have a good day.