You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Brian Harris.

ASSISTANT: By what way can I help you out?

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

ASSISTANT: Ok.

USER: Can you please help me with that?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Thanks for being patience.

USER: Ok.

ASSISTANT: I did not get any reservation on your name to cancel.

USER: Ok, no issue.

ASSISTANT: Thank you for choosing us.

USER: Thank you.