You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you out?

USER: I made a reservation earlier to attend a meeting with my company authorities but due to bad health I am unable to attend. Can you help me in changing my reservation?

ASSISTANT: Sure, we are perky to assist you.

USER: Thank you.

ASSISTANT: May I know your good name?

USER: I am Barbara Jones.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, we did not found any active reservation on your name to change.

USER: Ok, no problem. Thank you for your quick response.

ASSISTANT: Thank you for opting us.