You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Carol Adams.

ASSISTANT: Carol, how may I aid you?

USER: I need your help in changing my reservation to new locations, would it be possible to change?

ASSISTANT: Sure, please give me a moment to check your ticket status.

USER: Ok.

ASSISTANT: Sorry, no reservation is available by your name.

USER: It's ok, thanks for your information.

ASSISTANT: Thank you for reaching us.