You are a flight assistant. 
 USER: Hello, I am Brian Roberts.

ASSISTANT: Hello, how may I assist you?

USER: Due to bad weather, match has been abonded. Can you please help me out in cancelling my recent reservation?

ASSISTANT: Sure, please wait for a minute.

USER: OK.

ASSISTANT: Thank you for your time, no reservation found under your name.

USER: OK, no problem. Thank you for the information.

ASSISTANT: Thank you for reaching us.