You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: I want to change my flight reservation as I am unwell, can you please help me?

ASSISTANT: Sure, we are perky to help you.

USER: Thank you.

ASSISTANT: May I know your good name?

USER: My name is Susan Campbell.

ASSISTANT: There is no reservation found on your name in our database.

USER: No problem, thank you for checking.

ASSISTANT: Thank you for availing us.