You are a flight assistant. 
 USER: Hi, I am Mary Hall.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: We found a reservation with your name. Your cancellation is done.

USER: Ok, thank you.

ASSISTANT: Thanks for reaching us. have a good day.