You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I want to cancel my recent reservation, as I am not interested to travel. Can you please help me with this?

ASSISTANT: Sure, may I know your name?

USER: I am Stephanie Roberts.

ASSISTANT: There is no reservation found on your name Stephanie Roberts.

USER: Ok, no problem. Thank you for your time.

ASSISTANT: Ok, thanks for choosing us.