You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I oblige you?

USER: Can you help me to cancel my recent reservation?

ASSISTANT: Sure, I am glad to help you.

USER: Thank you.

ASSISTANT: May I know your name?

USER: Jeffrey Carter here.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, there are no reservation found on your name.

USER: It's ok, thank you for checking.

ASSISTANT: Thank you for reaching us.