Hello, I am Karen Hall.
user
Hello. How may I render you today?
assistant
I intend to fly from Las Vegas to meet my brother on his birthday at Dallas & Fort Worth. Can you help me book a flight ticket within the price of 200?
user
Sure, may I know do you need a break within your journey?
assistant
I need a direct flight.
user
Please let me know your boarding and landing points.
assistant
My source is LAS and destination is  DFW.
user
Kindly mention your journey dates to proceed further.
assistant
I will depart on 09/19 and return on 09/21.
user
Just a moment I will check and let you know.
assistant
Sure.
user
Thanks for waiting, unfortunately there are no flights found with your essential details.
assistant
Thank you for the response.
user
Thanks for opting us.
assistant