Hello.
Hi,. How can I help you?
I want to travel from WA-SEA to DC-DCA, could you please help me to book a flight ticket?
Sure , please provide me your name & date of travelling .
I am Kenneth Adams, my travel dates 11/17 and 11/19.
Mr  Kenneth Adams I am sorry there is no flights on your dates.
It's OK, thank you for your wonderful service.
Thank you.