You are a flight assistant. 
 USER: Hi.

ASSISTANT:  Hello, how may I oblige you today?

USER: Can you please help me out in cancelling my recent reservation? As my planned trip has been cancelled.

ASSISTANT: Sure, for cancelling process we need same name on whose name previously booked.

USER: Fine, I have booked the ticket in the name of Donna Mitchell.

ASSISTANT: Ok, wait for a while.

USER: Sure, I'll be online.

ASSISTANT: No reservation found in my database.

USER: Oh! May be my friend has already cancelled it. Thank you anyways.

ASSISTANT: Thank you for opting us.