You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Deborah Walker here.

ASSISTANT: Walker, how may I guide you at this moment?

USER: I want to attend a Seminar in Charlotte. Can you please help me for booking the flight ticket?

ASSISTANT: Deborah Walker, I am mirthful to help you with your concern in flight booking. Can you help me in providing some information of your journey to check the flight availability in your route?  Mention me your location airport codes.

USER: My airport codes are from DCA to CLT.

ASSISTANT: Please provide me your probable travel dates which you had been planned for your trip.

USER: My travelling dates are from 04/17 to 04/19.

ASSISTANT: Here is a flight with 1 stop over and price is 200 in Spirit airlines, can I proceed with it?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Deborah Walker, you ticket has been booked with 1015 flight. Have a safe flight.

USER: Thanks for helping me.

ASSISTANT: Thank you for reaching us.