You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you today?

USER: I am Christopher White. I need to cancel my reservation as my meeting got cancelled, can you please help me out?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Sorry we did not find any reservation with your name.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.