Hello.
user
Hello, how best I can help you today?
assistant
Can you please help me to book a flight from LAX to DFW?
user
Sure, please share me your trip dates.
assistant
I want to travel on Apr 23 and need to return on Apr 25.
user
Do you need direct flight or connecting flight?
assistant
I need a connecting flight.
user
If you can help me with your name, I can check with the availability of flights.
assistant
I am Melissa King.
user
 Would you let us know if you have any other preferences?
assistant
My depart time must be in the afternoon.
user
Sorry to say that, there are no flights available on the routes of your journey.
assistant
Ok, not an issue. Thank you for the information.
user
Thank you for availing us.
assistant