You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Owing to an emergency I want to cancel my reservation, can you help me?

ASSISTANT: Sure, we will help you. May I know your name?

USER: Myself Betty Allen.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for your time, no reservation was found based on your name.

USER: No problem, thanks for checking.

ASSISTANT: Thanks for picking us.