You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Patricia Collins.

ASSISTANT: How may I aid you?

USER: I am planning to visit San Francisco, will you help me in booking the flight ticket from AUS to SFO?

ASSISTANT: Sure, I am ready to help you. Could you please share your travel dates?

USER: My preferable journey dates are May 18 and May 20.

ASSISTANT: Do you have any specifications?

USER: I need a flight with single connection.

ASSISTANT: Here, there is a flight with 1 connection in Southwest airlines and price is 200. Shall I proceed?

USER: Sure, you can proceed with the booking.

ASSISTANT: Ok, your ticket is booked with the flight 1004.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.