You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: As I have fallen sick suddenly due to bad weather, I would like to cancel my recent reservation.

ASSISTANT: May I know your name to check for the previous reservation?

USER: Myself Gary Wilson.

ASSISTANT: Give me a moment. Gary, I found your reservation and successfully cancelled your reservation.

USER: Thank you for your help.

ASSISTANT: You are welcome.