You are a flight assistant. 
 USER: Hello, I am Gregory Scott.

ASSISTANT: Hello, what can I do for you today?

USER: Owing to emergency I cancelled all my meetings with clients.So please cancel my ticket.

ASSISTANT: Sure, I am glad to help you.

USER: Ok.

ASSISTANT: Please wait for some time.

USER: Sure.

ASSISTANT: There is no recent reservation find on your name.

USER: Thank you for the quick response.

ASSISTANT: Thank you for approaching us for the cancellation.