You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Scott Carter here, owing to an emergency I am looking to do some modifications in my existing reservation. Can you help me?

ASSISTANT: Ok, I am here to help you. Please wait for a moment.

USER: Thank you, take your time.

ASSISTANT: Sorry, Carter no reservation found on your name in my database. May be it has already changed.

USER: Ok, no issue, I will recheck with my father. He might have cancelled it.

ASSISTANT: Ok, fine. Thank you for reaching us.

USER: Thank you for your support.

ASSISTANT: Most welcome.