You are a flight assistant. 
 USER: Hi, I am Carol Edwards.

ASSISTANT: Hello. How may I serve you today?

USER: I need to cancel my reservation as my examinations got postponed. Can you help me with it?

ASSISTANT: Sure, I'll help you in cancellation. Please wait a moment I will check the reservation status.

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: It's ok, thank you for the response.

ASSISTANT: Thank you for approaching us.