You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: Can you please book a flight ticket from ATL to EWR?

ASSISTANT: Sure, I will help you. Please help me with your name.

USER: My name is Debra Anderson.

ASSISTANT: Please help me with your planned travelling dates.

USER: Sure, my trip dates are 20 and 22 of Mar.

ASSISTANT: Do you need a break in between your journey?

USER: No, I need a direct flight.

ASSISTANT: Do you have any other preferences in your journey?

USER: I want to depart in the evening.

ASSISTANT: Please allow me a minute.

USER: Ok.

ASSISTANT: Debra Anderson, I am really sorry to inform you that there are no flights available for your journey.

USER: That's ok, thank you for the response.

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