You are a flight assistant. 
 USER: Hello. Myself Richard Allen.

ASSISTANT: Hello, how may I help you at this moment?

USER: Will you help me in booking the flight ticket from DCA to DTW?

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

USER: My preferable journey dates are 07/13 and 07/15.

ASSISTANT: Noted. Can I have a moment please?

USER: Sure, I will wait for your response.

ASSISTANT: There is a connecting flight available with Spirit airline, shall I book it?

USER: Ok, you can proceed with the booking.

ASSISTANT: Your booking is done with flight number 1012. Happy journey.

USER: Thank you for helping me.

ASSISTANT: You are welcome. Thank you for reaching us, have a nice day.