You are a flight assistant. 
 USER: Hi, I am Edward Hernandez.

ASSISTANT: Hello, Edward Hernandez. How may I assist you today?

USER: I am planning to book a flight from JFK to reach Atlanta, so please help me in booking.

ASSISTANT: Sure, I will help you. Please help me with your planned travel dates.

USER: My scheduled dates are on Dec 12th to 14th.

ASSISTANT: Please let me know if you need a break in your journey.

USER: Yes, I need a single break.

ASSISTANT: Please help me with your preferred depart and return time.

USER: My depart is in evening time.

ASSISTANT: Do you need a business or economy class to fly?

USER: I am okay with any class.

ASSISTANT: Please let me know if you have any other preferences.

USER: No, I don't have any other preferences.

ASSISTANT: Edward Hernandez, I am really sorry to inform you that there are no active flights available.

USER: No worries, thank you.

ASSISTANT: Thank you for reaching us. Have a great time.