You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Due to heavy rains in the destination where I have planned and booked my flight ticket. I have cancelled my schedule to go there due to rains there. Can you please help me to cancel my reservation?

ASSISTANT: Sure, may I know your good name please?

USER: Sure, I am Anna Robinson.

ASSISTANT: Please wait a moment.

USER: Ok, sure.

ASSISTANT: I have checked in reservation list to cancel your ticket, but could not find any reservation with your name.

USER: Ok, it might be cancelled by my manager but he did not informed me yet. Anyway thank you for the help.

ASSISTANT: Thanks for choosing us.

USER: You are welcome.