You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I want to cancel my recent reservation, due to some health issue. Can you help me?

ASSISTANT: Sure, I am happy to help you with that.

USER: Thank you.

ASSISTANT: Can I have your name please to check your reservation status?

USER: Sure, I am Betty Lewis.

ASSISTANT: Ok, please wait a moment to check your reservation status.

USER: Sure.

ASSISTANT: Your reservation has found, do you want me to cancel it now?

USER: Yes, please.

ASSISTANT: Yes, your ticket has cancelled successfully.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us, have a good day.