You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: I am planning to book a flight ticket to PHL from LAS, can you please help me out?

ASSISTANT: Sure, I can help you with that. May I know your planned travel dates please?

USER: Sure, my trip dates are Dec 10 and Dec 12.

ASSISTANT: Do you prefer break in between your journey?

USER: Yes, I am looking for a flight with 1 connection.

ASSISTANT: Please let me know if you have any other specifications.

USER: Yes, my depart time must be in afternoon.

ASSISTANT: May I know your good name please?

USER: My name is Pamela Anderson.

ASSISTANT: Sorry to inform you that there are no flights available for you on those dates with your given details.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for choosing us.