You are a flight assistant. 
 USER: Hello, I am Rebecca Barker.

ASSISTANT: Hello, may I know how best I can help you today?

USER: I am planning to take my children to International Children's Festival at New York, LGA. Can you help me with booking a connecting flight ticket?

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: My travelling dates are from 05/28 to 05/30.

ASSISTANT: Can you please provide your take off airport code?

USER: My source code is AUS.

ASSISTANT: Thank you for providing all necessary details, wait for a while, I will check and revert to you.

USER: OK.

ASSISTANT: We have found a UA airline of 1000 flight number with one connection of cost 100.

USER: You can proceed.

ASSISTANT: Your booking has been processed.

USER: Thank you for the help.

ASSISTANT: Thank you.