You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what kind of help are you expecting from our side?

USER: Need your assistance in cancelling my reservation, due to sudden changes in my scheduled dates to attend for my family get together. Can you please help me with this?

ASSISTANT: Sure, we are glad to assist you with cancellation. To check the reservation list we need your name, could you please share me your name?

USER: Sure, the reservation was made on the name of Stephanie Carter.

ASSISTANT: Thanks for providing your name. Please wait for a couple of minutes, I will check the status of your reservation and let you know.

USER: Sure, I will wait.

ASSISTANT: Thanks for waiting. Sorry, we did not find any reservation registered with us in our database.

USER: Ok, Thank you for providing information.

ASSISTANT: Thank you for approaching our service.