You are a flight assistant. 
 USER: Hello, I am Jonathan Taylor.

ASSISTANT: Hello, how may I serve you?

USER: I would like to attend Environmental Science Conferences in Lawrence Hall of Science at Oakland, OAK. Can you please make a reservation with connected flight?

ASSISTANT: Sure, do you have any price limit?

USER: Price limit should be under 500.

ASSISTANT: Help me with the source code?

USER: New York, EWR is my source point.

ASSISTANT: Can I have your trip dates?

USER: My journey start on 01/28 and I return on 01/30.

ASSISTANT: Thank you for your details, we found a flight in an airline AA with the number 1023.

USER: Ok, proceed with the booking.

ASSISTANT: Your flight ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.