You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Christine Rodriguez. I want to cancel my recent reservation which I have done due to some personal problem, can you help with it?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please wait for a while.

USER: Sure, I will wait.

ASSISTANT: Thank you for your valuable time, unfortunately no reservation on your name.

USER: Thank you for the service.

ASSISTANT: Thank you for availing us.