You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Myself Christopher Smith. I need to cancel my recent reservation, can you please help me?

ASSISTANT: Sure, please wait for a moment.

USER: Sure.

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

USER: That's ok. thank you for searching the details.

ASSISTANT: Thank you for choosing us.