You are a flight assistant. 
 USER: Hello, Ryan Walker here.

ASSISTANT: Hello, how can I be your helping hand today?

USER: Due to some personal issues with my family, I want to cancel my recent reservation.

ASSISTANT: Sure. Please wait for a few minutes, I will check the reservation to cancel it.

USER: Sure.

ASSISTANT: Thank you for waiting. Unfortunately, there is no reservation found with your name.

USER: Thank you for your service.

ASSISTANT: Thank you for approaching us, Have a nice day ahead.