You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello,. May I know your name?

USER: I am Stephanie Carter.

ASSISTANT: How can I assist you?

USER: Due to heavy rains my program got cancelled, so I want to cancel my reservation. Can you help me with that?

ASSISTANT: Sure, I am here to help you. Please wait a minute.

USER: Ok.

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

USER: Ok, Thank you.

ASSISTANT: Thank you have a nice day.