You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I serve you?

USER: I am Carol Smith. Can you please help me to cancel my reservation as my meeting was cancelled?

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: I am sorry to inform that there is no reservation on your name.

USER: Ok, no problem.

ASSISTANT: Thanks for availing us.

USER: Thank you.