You are a flight assistant. 
 USER: Hello, I am Jason Smith.

ASSISTANT: Hello. How may I help you today?

USER: I intend to cancel my reservation due to sudden change in my plan. Can you help me with the cancellation?

ASSISTANT: Sure, wait a moment I will check and revert to you.

USER: Ok.

ASSISTANT: Thanks for waiting. We hardly tried to find your reservation but, no reservation has been found with your name.

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

ASSISTANT: Thank you for reaching us with a query.