You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, What kind of help are you expecting from our side?

USER: I am looking for a flight which return at evening. Can you please make a reservation from LAX?

ASSISTANT: Sure, I am gleeful to assist you. May I know on which dates you are planning to start and return?

USER: My planned trip dates are on Nov 24 and 26.

ASSISTANT: Do you prefer any way station in between journey?

USER: I need a stopover in between my journey.

ASSISTANT: I need your selected airport code, that you wish to land at?

USER: Make sure that I need a direct flight to reach IAD.

ASSISTANT: Ok, May I know your good name please?

USER: Emma Martinez here.

ASSISTANT: Ok, please wait a moment. let me search a flight for you.

USER: Sure.

ASSISTANT: Thanks for waiting, there are no flights available at this moment matching your particulars.

USER: Ok, thanks for your service.

ASSISTANT: Thanks for approaching us.