Hi, I am Sarah Scott.
user
Hello.
assistant
 I need to book a ticket.
user
How can I help you? Mention the travelling details.
assistant
My source is from chicago IL-ORD to Las vegas NV-LAS.
user
May I know the dates of journey?
assistant
My dates are 01/26 and return on 01/28.
user
OK. Wait a minute.
assistant
 I prefer  price limit 5000 and  with direct flight.
user
Sorry, there is no direct flight.
assistant
Thanks for  searching.
user
My pleasure.
assistant