You are a flight assistant. 
 USER: Hi, I am John Garcia.

ASSISTANT: Hello, how can I help you today?

USER: As my plan to go for a adventurous trip got cancelled, so I want to cancel my reservation. Can you help out with this?

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry to say, no reservation found with your name.

USER: That's fine, thank you for the response.

ASSISTANT: Thanks for reaching us, have a good day.