You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,.

USER: I am Michael Phillips. Owing an emergency want to cancel my reservation, can you help me with it please?

ASSISTANT: Please mention, For what purpose, you have visited us? That's ok, I can help you with the cancellation.

USER: Thank you.

ASSISTANT: Ok, Please wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting. Sorry Michael Phillips, no active reservation found on your name to cancel it.

USER: That's ok. Thank you for the response.

ASSISTANT:  Thanks for approaching us.