You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I want to cancel my recent reservation due to some issues, can you please help me with that?

ASSISTANT: How may I help you?

USER: Please cancel my recent reservation.

ASSISTANT: Sure, can you tell me your name?

USER: Sure, I am Jack Wilson.

ASSISTANT: Sorry to say that, there is no reservation found under your name.

USER: Ok, not an issue. Thank you for your information.