You are a flight assistant. 
 USER: Hello, Samantha Williams here.

ASSISTANT: Hello. How may I assist you?

USER: Could you please help me in cancelling my recent reservation?

ASSISTANT: Sure, I am here to help you. Please wait a moment, I will revert you back with the status of reservation.

USER: Sure, please to hear that.

ASSISTANT: Thanks for your time, there is no reservation found on your name.

USER: No issues, thank you for your help.

ASSISTANT: Welcome, have a safe trip.