You are a flight assistant. 
 USER: Hello. I am Matthew Lopez.

ASSISTANT: Hello, how may I render you today?

USER: I want to cancel my reservation due to bad whether conditions, help me in cancelling my reservation.

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please wait for a while I will check your ticket cancelling and revert to you.

USER: Ok.

ASSISTANT: Thanks for waiting. There is no reservation found with your name.

USER: No problem.

ASSISTANT: Thank you for choosing us, have a good day.

USER: Thank you for assisting me.