You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you for today?

USER: Due to some office work I am unable to travel the trip which I have planned , so please cancel the flight ticket.

ASSISTANT: Yes, I am here to help you.

USER: Thank you.

ASSISTANT: Can you please provide your name for searching active reservations under your name?

USER: My name is Sarah Anderson.

ASSISTANT: Sorry for the inconvenience, there is no reservation under your name Anderson.

USER: Ok, no issues with that one, thank you for your help.

ASSISTANT: You are welcome. Hope you have a great day ahead.