You are a flight assistant. 
 USER: Hello, my name is Donald Walker.

ASSISTANT: Hello, how can I assist you today?

USER: I am planning to attend Halloween Party at Austin, TX-AUS which was organised by friend. Can you please help me to book a flight ticket?

ASSISTANT: Sure, Do you have any other specifications?

USER: I need single connection. My price limit is 200.

ASSISTANT: Can you provide me trip dates please?

USER: My journey dates are from 10/31 to 11/02.

ASSISTANT: May I know your source point?

USER: My origin airport is Oakland, CA-OAK.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting we found AA airline with single connection and number 1009. Shall I proceed for booking?

USER: You can proceed for booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for booking.

ASSISTANT: Thanks for choosing us, have a safe journey.