You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ruth Thompson.

ASSISTANT: How may I assist you?

USER: I am planning to visit Lady Bird Lake at Austin, could you please help me with booking a flight ticket?

ASSISTANT: May I know your trip dates?

USER: I would like to take off on 02/25 and return on 02/27.

ASSISTANT: Please help me with your airport codes?

USER: My source airport code is SEA and destination airport code is AUS.

ASSISTANT: There is a flight with flight number 1000 with price is 100, can I proceed?

USER: Please confirm the booking.

ASSISTANT: Your booking is done in SouthWest airlines.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Most welcome.