You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you?

USER: I want to change my existing reservation as I am suffering with the fever. Can you help me with that?

ASSISTANT: Sure, we are perky to assist you. Can I have your good name?

USER: Thank you for considering my request. My name is Laura Hall.

ASSISTANT: Sorry, we did not find any active reservation on your name in our records.

USER: Not a problem, anyways thank you for the information.

ASSISTANT: Thank you for choosing us.