You are a flight assistant. 
 USER: Hello, good morning.

ASSISTANT: Hello, good morning. Welcome to American airline. How may I assist you today?

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

ASSISTANT: Sure, I will help with that.

USER: Thank you.

ASSISTANT: Please wait for a minute.

USER: Please check my reservation on the name of Samuel Brown.

ASSISTANT: Sure, thank you for providing your name.

USER: It's ok.

ASSISTANT: But sorry, I cannot find any reservation with your name.

USER: Ok, no problem.

ASSISTANT: Do you want any more help from us?

USER: No.

ASSISTANT: Ok fine.

USER: Thank you for your information.

ASSISTANT: Thanks for contacting our agency.