You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I'm Stephen Carter, I just want to visit to Austin for Bird photography event at lady bird lake in Austin.

ASSISTANT: That's nice. Can you please provide me your journey details.

USER: My travel codes are OAK to AUS, dates are 03/03 to 03/05.

ASSISTANT: There is a flight available for you from UA airline with number 1000. Shall I proceed booking?

USER: Book it for me.

ASSISTANT: Your ticket has been booked.

USER: Thanks for confirming my reservation.

ASSISTANT: My pleasure, thank you for choosing us.