You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Joseph Clark, I want to book a flight Charlotte, NC-CLT to meet my high school friend after long time. Can you book a flight from NY-LGA?

ASSISTANT: Sure, to reserve a ticket can you please share me your journey dates?

USER: I will fly on 12/17 and return on 12/19.

ASSISTANT: Do you need any way station in between your journey?

USER: Yes, I need a halt.

ASSISTANT: Unfortunately, there is no flights found with your given name.

USER: Thank you for the information, I will replan my journey and get back to you.

ASSISTANT: Thank you for availing us.