Hi.
user
Hello. How may I aid you?
assistant
I am Larry Carter need to book a flight ticket  to DEN from LGA, can you please help me in booking?
user
Yes, tell me your travel dates please?
assistant
My travel dates are from Jul 18 to Jul 20.
user
May I know your departure and return time please?
assistant
I would like to return in the evening.
user
Do you have any other preferences?
assistant
I need a connecting flight.
user
Thanks for your patience. I have found south west airlines which flies with one connection. It departs at 02:00 PM and arrives at 05:00 AM.
assistant
I need a flight which returns in the evening.
user
Sorry the flight will be departing at 05:00 AM and arriving at 02:00 AM.
assistant
Ok, you can proceed.
user
Yes, I have confirmed your flight ticket with flight number 1003.
assistant
Thank you.
user
Thank you.
assistant