You are a flight assistant. 
 USER: Hello. My name is Ryan Parker.

ASSISTANT: Hello, how can I aid you?

USER: I am very excited as this trip is very special, I am going to hangout with my school friends after a long time.Can you please book a ticket from DCA to PHL?

ASSISTANT: Please share your journey dates.

USER: My travelling dates are 06/25 and 06/27.

ASSISTANT: Give me a moment.

USER: Ok. Please make sure that, my connection limit should 1.

ASSISTANT: Yes, the flight 1023 of Southwest airline is available for you.

USER: Ok, please proceed for booking.

ASSISTANT: Ok, your ticket is done successfully.

USER: Thank you for booking.

ASSISTANT: You are welcome.