Hello,.
user
Hello, how may I help you today?
assistant
I am going to enjoy my holiday trip in the Redwood Regional Park with my colleagues, which is at Oakland. Can you book me flight ticket with price under 500?
user
May I know your journey dates?
assistant
I want to travel on 04/28, and need to catch return flight on 04/30.
user
Can you please help me with your airport codes?
assistant
I need to leave from my nearest airport SEA to reach OAK.
user
Please wait for a while.
assistant
Sure.
user
May I know your good name please?
assistant
I am Donald Thompson.
user
Sorry, there is no flights found on your given details.
assistant
Ok, no problem. Thanks for the information.
user