You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello.

USER: I am Elizabeth Hall.

ASSISTANT: How may I be of helpful to you today?

USER: I need to cancel my recent reservation as there is a tornado in my destination.

ASSISTANT: Ok.

USER: Will you help me in cancellation?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Thanks for your time, we did not find any reservation on your name to proceed further.

USER: Ok, I think I made reservation with other airline. Thank you for help.

ASSISTANT: Thanks for choosing us, Have a nice day.