You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Steven Hall.

ASSISTANT: Hall, how may I assist you today?

USER: Due to heavy rains in my city, I want to cancel my recent reservation. Can you please help me out?

ASSISTANT: Sure, wait for a moment.

USER: Ok.

ASSISTANT: Sorry, I did not found any reservations as per your details.

USER: That's fine.

ASSISTANT: Thank you for contacting us.