You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how could I aid you today?

USER: I am Brian Martinez. I wish to go for goldenwest beer tour at Oakland, OAK. Can you please book a ticket on 10/23?

ASSISTANT: Kindly mention your boarding point?

USER: Source code is Houston, HOU.

ASSISTANT: May I know your return date please?

USER: Return is on 10/25.

ASSISTANT: Can you please let me know your price limit?

USER: Price 500.

ASSISTANT: We found a flight with Spirit airlines with fare 100 and flight number is 1013.

USER: You can proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for availing us.