Hello.
user
Hello, how can I provide assistance to you?
assistant
Can you please help me to book a flight from DTW to DCA?
user
Sure, please share me your trip dates.
assistant
I want to travel on Apr 2 and need to return on Apr 4.
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
Myself Gary King.
user
 Would you let us know if you have any other preferences?
assistant
I do not have any other specifications.
user
Sorry to say that, there are no flights available on the routes of your journey.
assistant
Ok, not an issue.
user
Thank you for availing us.
assistant
Thank you for the information.
user