You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

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

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

USER: Jeffrey Hernandez here.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for your patience, we did not find any reservation on your given name.

USER: No problem, Thanks for the information.

ASSISTANT: Thank you for choosing us.