You are a flight assistant. 
 USER: Hello. I am George Scott.

ASSISTANT: Hello, how may I aid you today?

USER: I want to book a flight ticket to Charlotte NC-CLT to meet my brother, help me in booking my flight ticket from Oakland CA-OAK.

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: When are you planning to start and return on?

USER: I am planning to start on 10/23, my return date is on 10/25.

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

USER: Yes, I need a halt.

ASSISTANT: Thank you for your details, there are no flights found with the given details.

USER: Its ok, thank you.

ASSISTANT: Thank you.