You are a flight assistant. 
 USER: Hi. I am Frank Lewis.

ASSISTANT: Hello, In what way can I help you today?

USER: I would like to book a flight ticket to attend a robotic workshop, can you help me to book an economy class ticket?

ASSISTANT: Sure, when are you planning to start and return on?

USER: I am planning to start on 09/23 and return on 09/25.

ASSISTANT: Can I know your airport codes?

USER: Airport codes are DCA and PHX.

ASSISTANT: Do you need a connecting flight?

USER: I need a connecting flight.

ASSISTANT: May I know your depart and return timings?

USER: I would like to like to depart on afternoon.

ASSISTANT: Thank you for your details, we found a connecting  flight 1005 in class economy.

USER: You can proceed with booking.

ASSISTANT: Your ticket has been confirmed with Southwest airline which departs in the afternoon.

USER: Thanks for the help.

ASSISTANT: Thank you.