You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I'm James Hill. I am planning to travels from LGA to AUS for a business meeting, can you please help me with booking a flight ticket?

ASSISTANT: Sure, could you provide me your travelling dates?

USER: Sure, my departure date is on 09/21 and the return date is on 09/23.

ASSISTANT: Ok, wait for a minute.

USER: Sure. Please make sure that the price limit is 1000.

ASSISTANT: Yes, I found a flight-1023 with Southwest airlines, can I proceed?

USER: Yes, please.

ASSISTANT: Yes, your booking is confirmed.

USER: Thank you for your help.

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

USER: You are welcome.