You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Robert Allen.

ASSISTANT: How may I aid you today?

USER:  I want to cancel my recent reservation as my political interaction with people got postponed due to heavy rain.

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

USER: Thank you.

ASSISTANT: Please wait a moment I will check the reservation list.

USER: Sure.

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 problem, thank you for your information.

ASSISTANT: Thank you for approaching us.