You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to cancel my recent reservation, as my health is not good. Can you please help me in cancelling my reservation?

ASSISTANT: Sure, Can I have your name please?

USER: Thank you for the response. My name is Dorothy Collins.

ASSISTANT: Ok, please wait for a while.

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

ASSISTANT: Thanks for waiting, there is no active reservation on your given name.

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

ASSISTANT: Thank you for opting us.