You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you?

USER: Can you aid me change my reservation due to an emergency?

ASSISTANT: Sure, I will help you with that. May I know your good name?

USER: Nancy Nelson here.

ASSISTANT: Please wait for a moment, while I check for the reservation.

USER: Ok.

ASSISTANT: Thank you for waiting, sorry there is no reservation found on your name is our system data.

USER: no issue. Thank you.

ASSISTANT: Thank you for reaching us, we hope see you again.