Hello, Charles Taylor here.
Hello, what help are you looking for?
 I planned to attend for a seminar in LGA, can you help me to book the flight ticket from DFW?
Sure, I will book it for you. Can you provide your dates that you like to travel?
Sure, I would like to fly on 02/29 to 03/02.
Please give me a moment, I will get a best flight for you.
Sure.
According to your requested dates, there is flight available for you from Hawaiian airlines. Would you like to travel in this airlines?
Yes, please proceed with it.
Your booking is confirmed with flight 1013. Thank you for flying with our service.