You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to cancel my recent reservation, can you please help me with this?

ASSISTANT: Sure, may I know your name?

USER: I am Richard Perez.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there is no active reservation found with your name in our records.

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

ASSISTANT: Most welcome.