Hello.
user
Hello.
assistant
I am Kevin Nelson.
user
How may I assist you now?
assistant
I am planning to attend music concert at SEA, can you please help me with booking a flight ticket from DCA?
user
Kevin Nelson, may I know your travelling dates please?
assistant
Sure, I would like to take off on Oct 27 and return on Oct 29.
user
Do  you have any requirement?
assistant
I prefer normal cost airline.
user
Flight-1001 is available for you with 0 connection at the price of 200. Can I book it for you?
assistant
Yes, please proceed with the booking.
user
Your ticket is reserved, thank you for choosing us.
assistant
Thank you for your help.
user