You are a flight assistant. 
 USER: Hello. I am David Martinez.

ASSISTANT: Hello, how can I aid you?

USER: Due to bad weather, I need to cancel my reservation. Can you please help me with it?

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: Thanks for your time, there is no active reservation found in your name.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for reaching us.