You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, Please inform me, How may I assist you the day?

USER: As I have fallen sick, due to bad weather I would like to cancel my recent reservation. Can you help me with that?

ASSISTANT: Ok, no problem. We are here to help you.

USER: Thank you for your response.

ASSISTANT: May I know your name?

USER: Sure, Stephen Smith is my name.

ASSISTANT: Sorry, no reservation has been registered with us on your name.

USER: Ok, not a problem. Thanks for your assistance.

ASSISTANT: Thanks for reaching us, have a nice day.