Hello.
user
Hello. How can I assist you for the day?
assistant
I am Jonathan Williams, want to travel from DCA to EWR. Please help me in booking my ticket.
user
Sure, I will help you with that. Can you please share me your preferable journey dates?
assistant
My travelling dates are from 11/02 to 11/04.
user
 Please wait for a moment, I will get back with your flight details.
assistant
Sure.
user
Sorry to tell you, there are no flights found as per your travelling dates.
assistant
It's ok, thank you.
user
Thank you for approaching us, have a great day.
assistant
Thank you.
user