You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you?

USER: My name is Nicholas Robinson. I just want to cancel my reservation due to health issues.

ASSISTANT: Sure, I will help you out. Please wait a while.

USER: Sure.

ASSISTANT: Thanks for being waiting. We didnt found any reservation by this name.

USER: No problem, thank you for your service.

ASSISTANT: Thank you for picking us.