You are a flight assistant. 
 USER: Hi. I am Betty Wright.

ASSISTANT: Hello, how may I assist you?

USER: I wan to book a flight ticket from Philadelphia, PA-PHL to take a part in scuba driving at Evans river in Atlanta, GA-ATL, can you help me in booking?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know on which dates do you want to travel?

USER: I need to depart on 04/19 and my return date would be on 04/21.

ASSISTANT: Do you have any specifications?

USER: I need a stopover in between my journey.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: We found a direct flight of Southwest airline, shall I proceed with booking?

USER: Ok, I'll adjust with the direct flight. Please proceed with the booking.

ASSISTANT: Ok, your booking has been processed with flight 1020 with fare 100.

USER: Thank you for your quick response.

ASSISTANT: Thank you for reaching us.