You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you at this moment?

USER: Due to bad weather, I want to cancel my reservation. Can you help me?

ASSISTANT: Sure, I am here to help you. May I know your name to check the reservation?

USER: Stephen Parker here.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: No problem, Thanks for the information.

ASSISTANT: Thank you for contacting us.