Hi,.
user
Hello, how may I assist you?
assistant
Please book a ticket from Washington DC-IAD to Oakland, CA-OAK. I am Edward Young.
user
Sure, may I know your travel dates?
assistant
Departure is on 09/10 and will intend to return by 09/12.
user
Do you have any specification?
assistant
Price limit is 200. Connections limit is 1.
user
Unfortunately there is no flight on your details.
assistant
Thanks for your assistance.
user
Thanks for choosing us.
assistant