You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Debra Hill.

ASSISTANT: How can I help you, Debra?

USER: As the music concert which I am going to attend got cancelled. Can you help me by cancelling recent reservation?

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Hill, there is no reservation found with your details.

USER: Ok, not an issue. May be something went wrong while booking the ticket. Thank you for providing information.

ASSISTANT: Thank you for choosing us.