You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you now?

USER: Can you help me to book a flight from ATL to EWR?

ASSISTANT: Ok, can you please mention your desired dates for this journey?

USER: My trip dates are Oct 04 and 06.

ASSISTANT: Do you need a direct flight for this journey?

USER: I need a break in my journey.

ASSISTANT: May I know your name please?

USER: Sure, Matthew Williams here.

ASSISTANT: Do you have any other preferences?

USER: Yes, I want to depart in the evening time.

ASSISTANT: I am very apologetic to say, there is no flight currently available for your journey.

USER: Ok, thank you.

ASSISTANT: Thank you for choosing us.