You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: I am Jessica Lopez. I want to book a ticket from OAK to ORD to attend seminar, can you hep me in booking?

ASSISTANT: Sure, help me with the trip dates?

USER: I am departing on 10/23 and return on 10/25.

ASSISTANT: Do you have any price limit?

USER: The fare should not exceed 500.

ASSISTANT: Thank you for your details, we found a flight in an airline Southwest 1019 number having a single connection price of 100. Shall I reserve?

USER: Please proceed for booking.

ASSISTANT: Your flight ticket has been booked in an economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us. Have a safe flight.