You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you for the day?

USER: Please book a ticket from OAK to SFO.

ASSISTANT: Sure, may I know your preferable travel dates?

USER: Travel dates are Sept, 20 and Sept, 22.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: There is a single connecting flight available in Southwest airline with a fare of 100. Can I book it for your?

USER: Please book a flight.

ASSISTANT: May I know your name, please?

USER: My name is Susan Scott.

ASSISTANT: Susan Scott, your booking is confirmed with the flight-1009.

USER: Thanks.

ASSISTANT: You are most welcome, thank you for reaching us.