You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I address you today?

USER: I am Jason Thomas. Owing an emergency, I want to cancel my recent reservation, can you please help me with it?

ASSISTANT: Sure, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting. Sorry to say that no reservation found with your name to cancel.

USER: Not an issue, thank you for your assistance.

ASSISTANT: Thanks for approaching us.