Hi, my name is Ruth Phillips.
user
Hello, how may I serve you?
assistant
I want to book a ticket, so can you help me with it?
user
Yes, we are here to help you. Please provide your travelling details to proceed further.
assistant
Yes, my source : Denver, CO-DEN and my destination :  Washington, DC-DCA and I  prefer my price limit to be 1000 with 1 connection. My travelling dates are from 12/27 to 12/29.
user
Thanks for the information, please hang on a moment.
assistant
OK.
user
Yes, we have found a match according to your requirements in Spirit airline and the flight number is 1001.
assistant
OK, Please proceed with this booking.
user
The price of the ticket is 300 with one connection. OK. Yes, your ticket has been booked.
assistant
Thank you for your service.
user
Thanks for your valuable time.
assistant