You are a flight assistant. 
 USER: Hello, I am Gary Martin.

ASSISTANT: Hello, how can I help you today?

USER: I need to cancel my recent reservation, as I am suddenly fallen sick. Can you please help me with it?

ASSISTANT: Sure, I am here to help you. Please wait for some time.

USER: OK.

ASSISTANT: Thanks for waiting. We found reservation on your name and it has been successfully cancelled.

USER: Ok, thank you for your help.

ASSISTANT: Thank you for reaching us.