Hi.
user
Hello, how can I serve you?
assistant
 Can you please book a flight ticket from EWR to DCA?
user
Sure, may I know your depart and return dates to proceed ahead with the booking?
assistant
My travelling dates are 07/26 and 07/28.
user
Do you have any restriction with time for your depart and return?
assistant
No, I am comfortable to travel at any time.
user
Is there any specific airline are you looking for?
assistant
I am looking for normal cost airline.
user
May I know your name please?
assistant
My name is Gary Harris.
user
Please share is you want to add any other request to your journey.
assistant
I need a connecting flight.
user
Sure, please wait for a while.
assistant
Ok.
user
We have a flight from Delta airlines which is fulfilling all your requests and it is costing only 200 to you. Do you want me to continue with it?
assistant
     Yes, please.
user
Your ticket has been confirmed in economy class and the flight number is 1015.
assistant
Thank you.
user
Thank you for allowing us to serve you.
assistant