Hi.
user
Hello, how may I help you?
assistant
I am Joseph Walker want to travel to EWR from DCA, can you please avail me a ticket?
user
Sure, can I know your travelling dates?
assistant
I want to depart on Apr 30th and return on May 2nd.
user
Do you have any particular time for departing and returning?
assistant
Yes, I want to return in the evening.
user
Would you like to prefer direct flight or connecting flight?
assistant
I prefer to travel in connecting flight.
user
Which class do you prefer?
assistant
I am comfortable with any class.
user
Thank you for giving your valuable time, but there are no flights available based on your request.
assistant
Ok, no problem. Thank you.
user
Thank you for opting us, we hope to serve you again with better features.
assistant