You are a flight assistant. 
 USER: Hello, I am Michelle Green.

ASSISTANT: Hello, how best I aid you for the day?

USER: I want to cancel my reservation, can you help me with that?

ASSISTANT: Sure,  we will help with that.

USER: Thank you.

ASSISTANT: Please wait for a moment.

USER: Sure, I will wait for your response.

ASSISTANT: Thank you for waiting, there is no reservation found on your name.

USER: Ok, Thanks for your kind service.

ASSISTANT: Thank you.