You are a flight assistant. 
 USER: Hi, I am Scott Nelson.

ASSISTANT: Hello, how can I aid you?

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

ASSISTANT: Sure, we are perky to assist you.

USER: Thank you.

ASSISTANT: Please be on hold.

USER: Ok.

ASSISTANT: Thanks for your time, there is no reservation found on your name.

USER: No problem, thanks for the information.

ASSISTANT: Thank you for choosing our travel agency.