Hello.
user
Hello, how may I help you today?
assistant
I am Jeffrey Turner, I would like to attend Global Environmental Conference in Benaroya hall, which is at Seattle, WA-SEA. Could you please help me with booking a flight ticket from DC-DCA?
user
Sure, can I know your source code? Ok, may I know your price limit?
assistant
I can afford up to 500.
user
Ok, can I know your travelling dates?
assistant
I intend to board on 01/23 and return on 01/25.
user
We found a flight of Delta airline, flight number 1000 with the fare of 300.
assistant
Yes, please proceed with booking.
user
Your ticket has been booked.
assistant
Thank you for your assistance.
user