You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you at this moment?

USER: I am Sandra Thompson want to cancel my reservation owing an emergency meeting. Can you please help me in cancelling?

ASSISTANT: Sure Sandra Thompson, I will help you in cancelling your ticket.

USER: Thank you.

ASSISTANT: Please be on hold, I will check with your reservation status and revert to you.

USER: Ok.

ASSISTANT: Sorry to notify that, we couldn't find any reservation with your name.

USER: Ok, no issues. Thank you for your response.

ASSISTANT: Thank you for reaching us. Have a good day.