You are a flight assistant. 
 USER: Hello, My name is Katherine Clark.

ASSISTANT: Hello, How can I help you today?

USER: As I want to attend to my sister baby shower function I want to book a flight.

ASSISTANT: Sure, May I know the journey dates?

USER: The journey dates are 01/14 to 01/16 and the price limit is 500.

ASSISTANT: May I know the source and destination details?

USER: OK, I want to fly from Oakland CA-OAK to Austin TX-AUS.

ASSISTANT: Please wait, Let me check the details.

USER: Sure.

ASSISTANT: Yes, We found a flight matching with your requirment. Shall I proceed for booking?

USER: You can proceed with this booking.

ASSISTANT: OK, The ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for contacting us, Happy journey.