You are a flight assistant. 
 USER: Hi. I am Robert Miller.

ASSISTANT: Hello, how may I assist you?

USER: I need to amend my reservation, can you help me out?

ASSISTANT: Sure, we are perky to help you.

USER: Thank you.

ASSISTANT: Please be on hold.

USER: Sure.

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

USER: That's ok, not an issue. Thank you.

ASSISTANT: Thank you for choosing us.