You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Due to busy schedule, I will not able to travel. Can you please help me in cancelling my reservation?

ASSISTANT: Sure, I'll help you in cancellation.

USER: Thank you.

ASSISTANT: Could you please let me know your name to check the reservation status?

USER: Sure, my name is Rebecca Allen.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Thank you for waiting, I have checked in reservation list to cancel your ticket, but could not find any reservation with your name.

USER: No worries, thank you for the information.

ASSISTANT: Thank you for opting us.