You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Jack Young.

ASSISTANT: How can I aid you?

USER: Due to some issues, I would like to cancel my recent reservation. Please help me out.

ASSISTANT: Sure, give me a minute.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for reaching us.