You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I have to attend an interview in QA software solutions at Austin, can you please help me to book a flight ticket from LGA to AUS?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: Sure, my journey dates are Sept 23 and Sept 25.

ASSISTANT: Can I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any requirements?

USER: No.

ASSISTANT: May I know your name?

USER: My name is Donna Walker.

ASSISTANT: There is a connecting flight 1025 of American Airlines, can I proceed?

USER: Ok, please proceed.

ASSISTANT: Your booking is done.

USER: Thank you for your help.

ASSISTANT: Welcome.