You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I want to book a flight ticket from CLT to take a part in trekking at Evans river in ATL, can you please help me?

ASSISTANT: Sure, we are here to help you. Can you share me your travelling dates?

USER: I need to depart on 12/02 and my return date will be on 12/04.

ASSISTANT: May I know your name?

USER: I am Joshua Harris.

ASSISTANT: Do you have any other specifications?

USER: I want to fly in a connecting flight for this time.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting there are no flights found on your details.

USER: That's ok, not an issue. Thank you for your information.

ASSISTANT: Thanks for approaching us.