Hello.
user
Hello.
assistant
My name is Katherine Hernandez.
user
How may I assist you today?
assistant
I am looking to book a flight ticket from SFO to DCA to meet my friend. Can you help me for booking a flight ticket?
user
Sure, I will help you in booking.
assistant
Thank you.
user
May I know when you want to travel?
assistant
My travelling dates are Nov 18 and Nov 20.
user
Let me know your specifications.
assistant
My class preferences is economy.
user
We are sorry to inform you that there is no flight found with your provided information.
assistant
That's ok, thank you for checking.
user
Thank you for choosing us.
assistant
Welcome.
user