You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to visit Austin for my holiday trip. So can you book a single connecting flight ticket for me?

ASSISTANT: Sure, may I know your airport codes?

USER: The airport codes are from OAK to AUS.

ASSISTANT: Can you please share your planned trip dates?

USER: My trip dates are from July 15 to July 17.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Please be on hold.

USER: Sure.

ASSISTANT: We found a connecting flight of fare 100 with airline United and number is 1000. Can I proceed?

USER: You can book it.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you.

ASSISTANT: Thank you. May I know your good name?

USER: I am Joseph Campbell.

ASSISTANT: Thank you.