You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Suddenly, my meeting is cancelled and not rescheduled, can you cancel my reservation?

ASSISTANT: Please share your name.

USER: Please, check my reservation on John Davis.

ASSISTANT: Sorry, no reservation found under your name.

USER: That's ok.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your help.