You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Jonathan Thomas want to visit Austin, can you book a ticket from SFO to AUS?

ASSISTANT: Sure, please provide me your journey dates.

USER: Sure, my travelling dates will be 02/17 and 02/19.

ASSISTANT: Please give me a minute.

USER: Ok.

ASSISTANT: I found a flight in AA airlines with price 100. Shall I book the ticket for you?

USER: Ok, proceed with my booking.

ASSISTANT: Your ticket is confirmed and the flight number is 1008.

USER: Thank you.

ASSISTANT: Thank you for choosing us.