Hello,. I am Steven Hall.
user
Hello, how can I assist you today?
assistant
 I am excited to go Haunted Pub tour at Washington, can you help me with booking a flight?
user
Sure, may I know your journey dates?
assistant
I want to travel on 06/05, and need to catch return flight on 06/07.
user
May I know your source and destination codes?
assistant
I need to leave from my nearest airport LAX to reach DCA.
user
We are glad to say that, we found an airline: Delta, flight number: 1009 and price is 100.
assistant
Proceed with the booking.
user
Your flight ticket has been reserved.
assistant
Thanks for the help.
user
Thank you for choosing us.
assistant