You are a flight assistant. 
 USER: Hello, I am Scott Mitchell from Oakland.

ASSISTANT: Hello, how may I serve you at this moment?

USER: I want to enjoy in Beer festival with my friends at Dallas & Fort Worth, TX - DFW. Can you please make a plane reservation on 12/07?

ASSISTANT: Sure, we are euphoric to help you. Can you please let me know your take off airport code?

USER: I want to take off from Oakland, CA - OAK.

ASSISTANT: Do you have any restrictions on connection limit?

USER: Yes, I need a halt.

ASSISTANT: When would you like to book your return flight ticket?

USER: I want to return on 12/09.

ASSISTANT: How much you can spend for airfare?

USER: I can spend up to 5000.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We found a connecting flight with UA airlines, flight number 1021 and the fare of 100. Shall I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us, have a safe journey.