You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I amend you today?

USER: Can you please cancel my reservation?

ASSISTANT: Sure, may I know your name?

USER: I am Charles Miller.

ASSISTANT: Ok, please wait for a couple of minutes.

USER: Sure.

ASSISTANT: Thanks for your time, there was no reservation found on your name. Thank you for opting our agency.

USER: It's ok, thank you for your information.