You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How should I help you?

USER: I need to book a ticket to attend my college event on 6th Nov and return back on 8th Nov.

ASSISTANT: Sure, I can help you and I need your airport codes. Can you please provide it?

USER: My origin airport is from JFK and my destination airport is LAS.

ASSISTANT: Can I know your name please?

USER: Ryan Collins here.

ASSISTANT: Is there any connection preference?

USER: I need one lay over between my journey.

ASSISTANT: Sorry, there is no flight obtained on your travel dates to book a flight ticket for you.

USER: Not a problem, thank you for helping me.

ASSISTANT: You are most welcome and thank you for reaching us.