You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: Myself Elizabeth Campbell. I want to book a flight ticket from BOS to ATL. Can you help me in that?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: My trip dates are Jan 25 to Jan 27.

ASSISTANT: Do you need any specifications?

USER: I need a connecting flight and depart time should be in the afternoon.

ASSISTANT: Sorry, there are no flights found.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your information.