You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: My name is Janet Carter. I am planning to move to New York to enjoy my weekend holidays, can you book me a flight ticket?

ASSISTANT: Sure, can you share your airport codes?

USER: Sure, my location codes are from ATL to LGA.

ASSISTANT: May I know the travelling dates of your journey?

USER: My travelling dates are 12/22 and back on 12/24.

ASSISTANT: Give me  a minute.

USER: Ok.

ASSISTANT: Sorry, there is no flight on your requested dates.

USER: Ok, thank you for your quick help in searching.

ASSISTANT: Thank you for reaching us.