You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Can you please reserve a flight ticket from LAX to LAS?

ASSISTANT: Sure, we are happy to help you.

USER: Thank you.

ASSISTANT: When did you scheduled to travel?

USER: My boarding is on Feb 24 and please book my return ticket on Feb 26.

ASSISTANT: Is there any class preference for you?

USER: No, thank for asking.

ASSISTANT: Do you need any break in between your journey?

USER: Yes, I would prefer single connection.

ASSISTANT: Do you have any other requirements?

USER: I would like to depart in afternoon time.

ASSISTANT: May I know your good name please?

USER: Sure, my name is Daniel Young.

ASSISTANT: Sorry to inform you that, there are no flights available with your requirements.

USER: Oh! Sad to hear that. Anyway, I will find another alternative. Thank you for the information.

ASSISTANT: Thank you for choosing us.