Hello.
user
Hello, how may I aid you today?
assistant
Can you please book me a flight ticket from LAS to DCA to meet my family?
user
Sure, please share me your trip dates.
assistant
I have planned to travel on Dec 12th and return on Dec 14th.
user
Do you need direct flight or connecting flight?
assistant
I like direct flight.
user
For booking, we need your good name. Please mention it.
assistant
Joshua Parker.
user
 Would you let us know if you have any other preferences?
assistant
I want to depart at morning time and return at afternoon time.
user
Sorry to say that, there are no flights available on the routes of your journey.
assistant
Ok, no problem. Thank you.
user
Thank you for opting us.
assistant