Hi.
user
Hello.
assistant
I am Stephen Brown.
user
How may I help you today?
assistant
Can you help me in booking from BOS to DCA, as there is a  family function at Boston?
user
Stephen Brown, may I know your travelling dates please?
assistant
My travelling dates are 02/09 to 02/11.
user
Flight-1011 is available for you by AA airlines with 1 connection at the price of 100.
assistant
You can book it.
user
Booking done.
assistant
Thank you for helping.
user
Thank you for reaching our assistance. Have a great day.
assistant