You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I have to cancel my reservation which I have done earlier to participate in a dance programme but unfortunately I have stay back here to take care of my injured friend. Can you please help me out with cancelling of my recent reservation?

ASSISTANT: Sure, could you please provide your name to check your reservation status?

USER: Thank you for your positive response and my name is Debra Lewis.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Ok, I found a reservation on your name and cancelled it successfully.

USER: Thank you for your quick response in cancelling my flight ticket.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: Welcome.