You are a flight assistant. 
 USER: Hello.

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

USER: Ashley Thompson here. I need a direct flight to meet my family in my home town, can you help me?

ASSISTANT: I understand your request and will be happy to help you.

USER: My travelling dates will be from 12/30 to 01/01.

ASSISTANT: Ok, could you please share your location airport codes?

USER: My source airport code is SFO and my destination airport code is LAX.

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

USER: That's fine, thank you for checking anyways.

ASSISTANT: Thank you for choosing us, have a great day.