Hello. Timothy King here.
user
Hello. How may I assist you today?
assistant
I want to visit my friend's new hotel to look after his business for a day in his absence, can you please book a flight ticket from DCA - JFK?
user
 Sure, I am gleeful to help you out. Please provide me your trip dates to check an enhanced flight in your route.
assistant
My journey dates will be from 08/07 to 08/09.
user
Please wait for a couple of minutes, I will bring a best flight in your planned route.
assistant
Sure, take your own time.
user
Sorry, I could not find any flight with your travel dates.
assistant
That's fine, thank you for checking.
user
Thanks for choosing us.
assistant