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

ASSISTANT: Hello, Michelle Hill.

USER: I would like to cancel my recent reservation, can you help me with this?

ASSISTANT: Sure, I will help you with it.

USER: Sure, I will wait.

ASSISTANT: Thank you for waiting, I observed that there is no ticket booked on given name.

USER: That's fine, thanks for your information.

ASSISTANT: Thank you for reaching us, have a great day.