You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Stephanie Carter. I would like to cancel my recent reservation, can you help with this?

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Thanks for your time, there is no reservation found under your name to cancel it.

USER: That's fine, thanks for your valuable information.

ASSISTANT: Welcome, have a good day.