You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Paul Harris here.

ASSISTANT: How can I assist you today?

USER: Due to some strange weather conditions, I want to quit my trip. Can you please cancel my recent reservation?

ASSISTANT: Sure, I will help you in cancelling your reservation.

USER: Thanks for that.

ASSISTANT: Sorry to say this, there is no reservation found on your name in our database.

USER: Oh! May be my friend has already cancelled it. Thank you anyways.

ASSISTANT: Thank you for opting us.