You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Carolyn Hill. At last minute my meeting got cancelled which is scheduled earlier, I made a booking earlier for that meeting. Can you please help me for cancellation?

ASSISTANT: Sure, please wait a moment.

USER: Ok, I will wait.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: Ok, Thank you for your help.

ASSISTANT: Thank you for approaching us.