You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

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

ASSISTANT: Surely, I will help you out. May I know your name please?

USER: I am Debra Perez.

ASSISTANT: Thanks for your name, please wait.

USER: Sure.

ASSISTANT: Thank you for waiting, no reservation was found on your name to cancel.

USER: No problem, thanks for checking.

ASSISTANT: Thank you for choosing us.