Hi.
user
Hello.
assistant
I am Richard Adams.
user
How can I aid you?
assistant
I am looking for a flight from LAS to ORD, can you help me out?
user
Sure, May I know your travelling dates?
assistant
My trip dates are from Mar 1st till Mar 3rd.
user
Do you have any connection limit?
assistant
Yes, I need a connecting flight.
user
Do you have any specific depart and arrival time for this trip?
assistant
Ok, I want to take off my flight om afternoon and  return is also on afternoon.
user
Is there any other preferences?
assistant
No,  I not have.
user
Thanks for your details, there are no flights found on your data.
assistant
That's ok, not an issue. Thank you for your information.
user
Thank you.
assistant