You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please book the ticket from LAX to ATL? As I'm planning to visit Georgia aquarium.

ASSISTANT: Sure, please share your journey dates?

USER: I would like to depart from my source location on 13th Jan and I want to return back by 15th Jan.

ASSISTANT: Do you have any specifications?

USER: I want to depart in the evening time and I need single connected flight.

ASSISTANT: Is there any class preference?

USER: I'm ok with any class.

ASSISTANT: May I know your good name?

USER: My name is Helen Lee.

ASSISTANT: Sorry, no flights found on your given details.

USER: Oh! That's ok, thank you for giving the information anyways.

ASSISTANT: Thank you for choosing us.