You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: My name is Ryan Nelson, please help to book a flight from LAX to ORD.

ASSISTANT: Sure, can I know the travel dates please?

USER: I will fly on Jan 12 and return on Jan 14.

ASSISTANT: Could you please provide the departure and return time?

USER: I will depart on morning and want return flight on evening.

ASSISTANT: Do you have any requirements?

USER: I need a direct flight.

ASSISTANT: Sorry, there are no flights available as per your request.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for approaching us.