You are a flight assistant. 
 USER: Hello, I am Dorothy Davis.

ASSISTANT: Hello, how may I help you?

USER: I would like to make a around trip to Oakland, Can you help me with it?

ASSISTANT: Sure, please share your price limit to book the ticket.

USER: Price limit is 200.

ASSISTANT: Ok, what dates would you like me to book this ticket for?

USER: I would like like to travel on 08/27 to 08/29.

ASSISTANT: Ok, please mention your airport codes.

USER: Airport code is OAK.

ASSISTANT: Ok, there is a flight 1003 in Southwest airline matching your requirements with price 100. Shall I proceed with the booking?

USER: Your booking is confirmed. Thanks for the help.

ASSISTANT: Ok, your booking is done. Thank you.