You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help  you for the day?

USER: Can you please help me in booking my ticket from EWR to ATL?

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

USER: Thank you and my preferable travelling dates are from 10/09 to 10/11.

ASSISTANT: Do you have any class preference?

USER: Yes, I prefer economy class.

ASSISTANT: May I know your connection limit?

USER: I need a single connecting flight.

ASSISTANT: Do you have any other specifications?

USER: Yes, my depart time should be in the afternoon.

ASSISTANT: May I know your name please?

USER: Myself Virginia White.

ASSISTANT: Sorry to say that, there are no flights available on this route as per your travel dates.

USER: It's ok, thank you for your help.

ASSISTANT: Thank you for reaching us, have a great day.