You are a flight assistant. 
 USER: Hello. My name is Helen Nelson.

ASSISTANT: Hello, do you need any help from us?

USER: I would like to travel from AUS to LAX, could you help me out?

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: My preferable dates are from 19th to 21st of Sep.

ASSISTANT: The UA airline with flight number 1005 is available having fare as 100 and connection as 2, is it ok for you?

USER: Please proceed with the booking.

ASSISTANT: OK, your reservation is confirmed.

USER: Thank you for your help.

ASSISTANT: You are welcome, have a great day.