You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I need to cancel my recent reservation due to cancel of my conference. Could you please help me?

ASSISTANT: Sure, can I know your name?

USER: I am Deborah Brown.

ASSISTANT: Please hold on a minute.

USER: Sure.

ASSISTANT: We could not found a reservation on your name.

USER: No worries, thank you for the information.

ASSISTANT: Thank you for reaching us.