Hi.
How can I help you today?
Melissa Miller here. Please reserve a  flight ticket from IAD to PHL, can you help me?
Sure, I am ready to help you. May I know your travelling dates?
Ok, my trip dates are from 08/13 to 08/15.
Just give a moment.
Ok.
The flight is found with Delta airline having one connection limit and airfare is 300.
It's perfect, please go ahead for booking.
Your ticket has been booked with flight number 1001.
Thank you for your service.
Thank you for contacting us.