You are a flight assistant. 
 USER: Hello. I'm Deborah Clark.

ASSISTANT: Hello, how can I help you?

USER: I had planned to go on a vacation, but it was cancelled. Can you cancel my recent reservation?

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

USER: That's Ok.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your help.

ASSISTANT: You are welcome.