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