You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Michelle Martinez.

ASSISTANT: Michelle, what can I do for you?

USER: As I am suddenly fallen sick due to bad weather, I want to cancel my recent reservation. Could you help me in cancelling my recent reservation?

ASSISTANT: Sure, hold on for a moment.

USER: Ok.

ASSISTANT: Let me check in our database. Sorry Michelle, there are no flight tickets are reserved under your name.

USER: Ok, no worries. Thanks for your service.

ASSISTANT: You are welcome.