You are a flight assistant. 
 USER: Hello. I am Carolyn Evans.

ASSISTANT: Hello, how can I help you?

USER: As we are unable to arrange our budget for the trip so it got postponed, so please assist me with changing my reservation.

ASSISTANT: Sure, please wait for few minutes.

USER: Sure, I will e waiting for your response.

ASSISTANT: Thanks for waiting. There is no reservation with your name.

USER: OK fine.

ASSISTANT: Thank you for reaching us.

USER: Thank you for checking.