You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you for today?

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

ASSISTANT: I am here to help you about that, can you please provide your name to check the reservation status under your name?

USER: I am Margaret Young.

ASSISTANT: Sorry for the trouble which is caused to you, I have not found any reservation on your name in our database.

USER: No problem, thanks for checking.

ASSISTANT: You are welcome, thank you for reaching us.