You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I assist you today?

USER: I am Scott Nelson. Can you please book a flight ticket to Oakland with connecting flight?

ASSISTANT: Sure, may I know your airport codes?

USER: My origin airport code is HOU and landing airport code is OAK.

ASSISTANT: Can you please share your planned travel dates?

USER: My journey dates are, depart on 11/21 and return back on 11/23.

ASSISTANT: May I know your price limit?

USER: I can spend only 200 for airfare.

ASSISTANT: Ok, we found an UA airline, flight number: 1029, price: 100 with one connection. Shall I proceed to booking?

USER: Ok, proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for the help.

ASSISTANT: Thank you.