You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: Can you please make a reservation from JFK to DFW?

ASSISTANT: Sure, I am here to help you. May I know your travel dates please?

USER: My journey dates are on Oct 12th and 14th.

ASSISTANT: Ok, do you have any specifications?

USER: I prefer business class. I need a flight with one connection.

ASSISTANT: Ok, hold on for a moment. Let me check the best available flight for you.

USER: Sure.

ASSISTANT: May I know your name please?

USER: My name is Samantha Anderson.

ASSISTANT: Sorry Samantha Anderson, there are no flights available on your requested dates.

USER: Ok, no problem. Thank you.

ASSISTANT: Welcome, thank you for choosing us. Have a great day.