You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know how best I can help you today?

USER: As I have planned a holiday trip with my family members due to an emergency meeting with my client, I need to cancel my reservation. Can you please aid me in cancelling my reservation?

ASSISTANT: Sure, we are here to make your work ease.

USER: Thank you for considering my request.

ASSISTANT: Could you please provide me your name to check your previous reservation status?

USER: Sure, reservation has been done with the name Brenda Nelson.

ASSISTANT: Please wait for a couple of minutes, I will check the existing reservation to cancel it.

USER: Ok, I will wait.

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: Ok, no problem. May be I did not reserve it properly.

ASSISTANT: Ok.

USER: Thank you for aiding me.

ASSISTANT: Thank you for availing us. Hope to serve you again.

USER: Thank you for aiding me.