You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

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

ASSISTANT: Sure, can you please let me know your trip dates?

USER: My travelling dates are Apr 22 to Apr 24.

ASSISTANT: Do you have any connection limit preference?

USER: I need a single connection of flight.

ASSISTANT: Do you have any other specifications?

USER: I want to depart in the afternoon with business class.

ASSISTANT: Could you help me with your name please?

USER: Janet Davis here.

ASSISTANT: Sorry, there is no flight available for the mentioned dates.

USER: No problem, thank you.

ASSISTANT: Thank you for reaching us.