You are a flight assistant. 
 USER: Hello, I am Laura Miller.

ASSISTANT: Hello, How may I support you today?

USER: Due to Thunderstorm, I want to cancel my recent reservation. Can you help me for cancellation ?

ASSISTANT: Sure, I am here to help you. Please wait a minute, Let me check with your previous reservation.

USER: Sure.

ASSISTANT: Thank you for waiting, There is no recent reservation found on your name.

USER: Ok, no problem. Thanks for your help.

ASSISTANT: Thank you for reaching us.