You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: Please help me out in booking the ticket from DTW to DCA.

ASSISTANT: Sure, I will help you. Can you please share me your travelling dates?

USER: My trip dates will be Oct 22 to Oct 24.

ASSISTANT: Ok, please mention your name.

USER: Paul Edwards is my name.

ASSISTANT: Ok, do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: There is flight available for you with single connection and it costs you 100 in economy class. Shall I proceed for booking?

USER: Please proceed.

ASSISTANT: Your ticket is booked with flight number 103 and airline is Southwest.

USER: Thank you.

ASSISTANT: Welcome, have a safe flight.