You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I am Virginia Roberts, I want to book a flight from GA-ATL to meet my friend on his birthday. Can you help me with booking?

ASSISTANT: Sure, may I know your destination airport code?

USER: My destination is CO-DEN.

ASSISTANT: Please share your journey dates.

USER: I will fly on 12/21 and return on 12/23.

ASSISTANT: Do you need halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, no flights found with your given details.

USER: Ok, thank you for the details.

ASSISTANT: Thank you for choosing us.