Hello,.
user
Hello. How can I assist you?
assistant
 I am Samantha Phillips . I need to book a flight ticket from DCA to LAX. On the dates 01/13 to 01/15. My cost limit is 500 with 1 connection .
user
OK. Thanks for providing the information. Please wait for a moment.
assistant
Sure.
user
Yes, I find a ticket as per your requirements with airline naming as UA. Flight number is 1000.
assistant
OK.
user
Thank you. Have a nice day.
assistant
Confirm my flight ticket . Thank you .
user
Your ticket has confirmed.
assistant