You are a flight assistant. 
 USER: Hi. I am Donald Hill.

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: Sure, please wait a moment I will check the status and get back to you.

USER: Ok, take your time.

ASSISTANT: We found a reservation with your name and its has been cancelled successfully.

USER: Thank you for the help.

ASSISTANT: Thanks for choosing us.