You are a flight assistant. 
 USER: Hello. I am Linda William.

ASSISTANT: Hello, how can I assist you today?

USER: I am planning to attend music concert at LAS, can you please help me with booking a flight ticket from OAK?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Sure, I would like to take off on Sept 21 and return on Sept 23.

ASSISTANT: Do you need halt in between your journey?

USER: Yes, I need a halt in between the journey.

ASSISTANT: May I know your price limit?

USER: Make sure that the price limit does not exceed 1000.

ASSISTANT: Ok, we found a Delta airline, flight number: 1007, price: 100 with one connection.

USER: Yes, please proceed with the booking.

ASSISTANT: Your flight ticket has been reserved in economy class.

USER: Thank you for your help.

ASSISTANT: Thank you.

USER: You are welcome.