You are a flight assistant. 
 USER: Hi, Patrick Martin here.

ASSISTANT: Hello, how may I guide you?

USER: I would like to cancel my reservation due to sudden change in weather in our region.

ASSISTANT: Ok, I will help you with that. Please wait for a moment.

USER: Sure. Take your own time.

ASSISTANT: Martin, there is no reservation found under your name.

USER: That's fine, not an issue.

ASSISTANT: Do you need any other help from us?

USER: Thank you for checking my reservation.

ASSISTANT: My pleasure, thank you for reaching us. Have a good day.

USER: You are welcome.