You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I would like to visit Lake Travis at Austin, please help me in booking a ticket.

ASSISTANT: Sure, may I know your journey dates please?

USER: My planned journey dates are 03/13 and 03/15.

ASSISTANT: May I know your nearest airport codes please?

USER: I would like to travel from AUS to AUS.

ASSISTANT: I found a flight for you in Delta airlines with price 100, can I proceed?

USER: Please book the ticket with the name Rebecca Davis.

ASSISTANT: Your ticket is confirmed and the flight number is 1017.

USER: Thank you for your response.

ASSISTANT: Thank you for choosing us, have a safe journey.