You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Jerry Jones. I want to cancel my recent reservation ticket.Could you help me?

ASSISTANT: Sure, please hold on.

USER: Ok, take your time.

ASSISTANT: Sorry, no reservation found for the given name.

USER: That's ok no problem. Thank you for helping me.

ASSISTANT: Thank you for reaching us.