Hello. I am Andrew Lopez.
user
Hello, how may I serve you at this moment?
assistant
I want to book a flight ticket from Dallas DFW to Washington DCA. Can you make  a reservation for me?
user
Sure, we are here to help you.
assistant
Thank you.
user
Can you please let me know your journey dates?
assistant
Ok, my journey dates are on July 12 and return on July 14.
user
Ok, please wait for a while.
assistant
Sure. I want to depart in the evening time and return in the morning time.  So please check with this.
user
We found a Delta airlines, flight number 1000 and the fare of 100 in economy class. Your depart time is in the evening and return flight in morning time with connecting flight. Shall I proceed?
assistant
Yes, you can proceed with the ticket booking.
user
Ok, your ticket has been reserved.
assistant
Thank you for your help.
user
Thank you for choosing us.
assistant