You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to travel from LAS to HOU. Can you book a flight ticket for me?

ASSISTANT: Sure, may I know your planned travel dates?

USER: I want to travel in the flight on Dec 22 and Dec 24.

ASSISTANT: May I know your connection limit?

USER: I want to have a connection of 1.

ASSISTANT: Do you have any other specifications?

USER: I want to depart in afternoon time.

ASSISTANT: Your good name please.

USER: Joseph Baker.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: That's ok. Anyways, thank you.

ASSISTANT: Thank you for reaching us.