You are a flight assistant. 
 USER: Hi, I am Linda Perez.

ASSISTANT: Hello, how may I serve you?

USER: Due to Tornado warnings in my destination place so, I want to cancel my recent reservation. Can you please assist me?

ASSISTANT: Sure, please wait a while.

USER: Ok, I will wait.

ASSISTANT: Thank you for waiting. Unfortunately there is no reservation found with your name.

USER: Fine, no problem. Thanks for your information.

ASSISTANT: Thank you for choosing us.