Hello.
user
Hello. How can I aid you today?
assistant
I am Robert Smith.
user
Ok.
assistant
 I am planning to attend national Conference held at Denver, CO-DEN. Can you book a connecting flight?
user
Sure, I am here to help you.
assistant
Thank you.
user
Could  you please help me with your travelling dates?
assistant
My travelling dates are 05/20 and 05/22.
user
May I know from where you are travelling?
assistant
I will depart from Atlanta,GA-ATL.
user
Do you have any restriction on price limit?
assistant
Make sure price should not exceed 1000.
user
Please wait for a while, I will check and get back to you.
assistant
Ok.
user
Sorry, no flights found on your requested travelling dates.
assistant
Ok, thank you for your help.
user
Thank you for approaching us, have a great day.
assistant