You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am Jeffery Clark, could you help me to book a ticket from Boston, BOS to Charlotte, CLT?

ASSISTANT: Sure, may I know your journey dates?

USER: My depart is on 05/25 and return is on 05/27.

ASSISTANT: Do you need a halt in between your journey?

USER: Yes, I need a halt.

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

USER: Ok, not a problem. Thank you.

ASSISTANT: Thank you for reaching us.