You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Patrick Adams.

ASSISTANT: How may I help you?

USER: I would like to book a ticket to Austin, can you please help me out?

ASSISTANT: Sure, please provide me your airport codes.

USER: I am flying from LAS to AUS.

ASSISTANT: May I know your journey dates please?

USER: I am travelling on these dates 08/14 and 08/16.

ASSISTANT: Adams, please give me a minute. Adams, I found a flight in UA airlines available with price 100. Shall I book the ticket for you?

USER: Ok, you can proceed with this flight.

ASSISTANT: Your ticket is confirmed and the flight number is 1000.

USER: Thank you for your services.

ASSISTANT: Thank you for choosing us.