You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you today?

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

ASSISTANT: Sure, we are here to help you. May I know your good name?

USER: Thank you for the response. My name is Emily Green.

ASSISTANT: Ok, please wait for a while.

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

ASSISTANT: Thank you for waiting, we found a reservation on your name, shall I cancel it?

USER: Yes, please cancel it.

ASSISTANT: Your reservation has been cancelled successfully.

USER: Thanks for the service.

ASSISTANT: Thank you for opting us.