You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I want to cancel my recent reservation, as my grand mother's health is not good. Can you please help me out with it?

ASSISTANT: Sure, I am here to help you with cancellation.

USER: Thank you for the response.

ASSISTANT: May I know your name, to check with your previous reservation?

USER: My name is Stephanie Rodriguez.

ASSISTANT: Ok, please wait for a while.

USER: Ok, sure. I will wait for your response.

ASSISTANT: Thanks for your time, there was no reservation found on your name to cancel it.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you for choosing us.