You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I support you today?

USER: Owing an emergence, I want to cancel my reservation. Can you help me with it?

ASSISTANT: Sure, we are gleeful to help you for cancellation. To proceed further, May I know your good name please?

USER: My name is Sarah Rodriguez.

ASSISTANT: Please wait a moment, I will get back to you.

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: Ok, no issues.

ASSISTANT: Thank you for choosing us. Have a great day!.