You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am Rachel Taylor. I need to cancel my recent reservation due to cancel of my exams. Could you please help me?

ASSISTANT: Sure, I will help you with that. Please wait a while.

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 the information.

ASSISTANT: Thank you for reaching us.