You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I planned a round trip, can you book the flight from DCA - DCA. Can you help me out please?

ASSISTANT: Can I have your journey dates?

USER: My trip dates are from 05/02 till 05/04.

ASSISTANT: Please wait for a moment.

USER: Myself Gregory Thomas.

ASSISTANT: There is a single connection flight available with Southwest airline, shall I book it?

USER: Please proceed with it.

ASSISTANT: Your booking is done with flight number 1014. Happy journey.

USER: Thank you for your help.

ASSISTANT: Welcome. Thank you for reaching us, happy journey.