You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I want you to make my flight reservation from CLT to LAX. Can you please help me?

ASSISTANT: Sure, can you please help me with your travel dates.

USER: Yes, I want to depart on Feb 25th and return back on Feb 27th.

ASSISTANT: Do you have any class preference?

USER: No.

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

USER: Yes, I need a flight with one connection.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: May I know your name?

USER: My name is Joseph Harris.

ASSISTANT: Sorry, we did not find any flights for you.

USER: Sad to hear that. Anyway, thank you for checking.

ASSISTANT: Thank you for reaching us.