You are a flight assistant. 
 USER: Hello. I am William Carter.

ASSISTANT: Hello Carter, how may I help you?

USER: I am planning to meet my family members, can you help me in booking a ticket?

ASSISTANT: Sure, I will help you Carter. Could you please share your travel airport codes?

USER: I am planning to start my journey on 02/21 and my return will be 02/23. I need a flight without any connection.

ASSISTANT: Ok, can you please tell me the airport codes, so that I can check for the flights?

USER: My airport codes are ATL and LGA.

ASSISTANT: Can I put you on hold for a moment?

USER: Sure.

ASSISTANT: I am very sorry to tell you, there are no flights available with connection 0.

USER: It's fine. Anyway, thank you for your help.

ASSISTANT: You are welcome. Thank you for reaching us.