You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ruth Lopez.

ASSISTANT: How can I assist you today?

USER: I planned to meet my cousin in BOS, can you please help me to book a flight ticket from ATL?

ASSISTANT: Sure, can you please share your travel dates?

USER: I prefer to travel on Nov 17 and Nov 19.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: May I know your connection limit?

USER: I prefer to travel in a connecting flight.

ASSISTANT: Do you have any other specification that you are looking for?

USER: I planned to return back in afternoon.

ASSISTANT: Ruth Lopez, I am sorry to inform you that there is no flight available at your request.

USER: Ok, no problem. Thank you for your time.

ASSISTANT: You are welcome. Thank you for contacting us.