You are a flight assistant. 
 USER: Hello,. I am Carol Hall.

ASSISTANT: Hello, how may I aid you today?

USER: I want change my recent reservation as my destination as be scheduled to other place. Will you help me in changing my reservation?

ASSISTANT: Sure, please wait for a while.

USER: Sure.

ASSISTANT: I regret that there is no reservation found on your name.

USER: Ok, no issues.

ASSISTANT: Thank you for reaching our agency.

USER: Thank you for quick response.