You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I reach you today?

USER: Due to an emergency, I want to change my reservation. Can you help me?

ASSISTANT: Sure, I will help you with that. Can you please tell your name?

USER: Paul Jones here.

ASSISTANT: Please wait for a while, let me check once.

USER: Sure.

ASSISTANT: Sorry, no reservation found with your name.

USER: No problem, Thanks for the information.

ASSISTANT: Thank you for opting us.