You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I want to cancel my recent reservation. Could you help me with that?

ASSISTANT: Sure, may I know your name?

USER: Jason Hernandez.

ASSISTANT: Ok, please wait a minute.

USER: Ok.

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

USER: That's ok, no problem. Thank you.

ASSISTANT: Thank you.