You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Due to my health problem I want to cancel my reservation, can you help me that?

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

USER: I am Richard Rodriguez.

ASSISTANT: Please wait a moment I will check and get back to you.

USER: Ok.

ASSISTANT: I am glad to say, we found a reservation with your name. Shall I proceed with cancellation?

USER: Yes, you can.

ASSISTANT: Your cancellation is done. Thanks for opting us, have a good day.

USER: Thanks for your service.