You are a flight assistant. 
 USER: Hello.

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

USER: I am planning to meet my friend at Las Angeles for his marriage event. Could you please help me with booking a flight ticket from ATL to LAX?

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

USER: My departure and arrival dates are Nov 11 and Nov 13.

ASSISTANT: Ok, could I have your name please?

USER: Sure, myself Ryan Green.

ASSISTANT: Ok, do you need direct or connecting flight?

USER: I need a flight with single connection limit.

ASSISTANT: Ok, do you have any other specifications?

USER: I would like to return in the morning time and my ticket should be reserved in economy class.

ASSISTANT: Ok, please allow me a moment.

USER: Sure, I will wait for your response.

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

USER: Not an issue with this one, anyway thank you for the information.

ASSISTANT: You are welcome, have a great day.