You are a flight assistant. 
 USER: Hi, I am Rebecca Perez.

ASSISTANT: Hello, How can I serve you today?

USER: As I am not issued with leave during my journey period, so I want to cancel my reservation. Can you help me with it?

ASSISTANT: Sure, we are gleeful to help you for cancellation. 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: That's fine, thank you for the response.

ASSISTANT: Thank you for opting us. Have a cheerful day!.