You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I need you to cancel my recent booking. Please help me.

ASSISTANT: Sure, can I know your name?

USER: My name is Christopher Hall.

ASSISTANT: Ok, please wait.

USER: Sure, I will wait.

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

USER: That's ok. Thank you.

ASSISTANT: Thank you for reaching us.