You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello. How can I help you?

USER: I'm Robert Davis.

ASSISTANT: Ok.

USER: Please book a round trip ticket with Oakland, CA-OAK, for sports event.

ASSISTANT: Sure, would you please confess your travelling dates?

USER: Travelling dates are from 05/01 to 05/03.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: There is a UA 1021 airline with price of 200 which matches your requirements. Shall I proceed with booking with 1 single connection?

USER: Please book a ticket.

ASSISTANT: Your booking has been confirmed on name of Robert Davis.

USER: Thanks.

ASSISTANT: Thank you for opting us.