You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I guide you?

USER: Could you please book make a reservation on the name of Ashley Walker to Oakland, OAK?

ASSISTANT: Sure, please let me know your travel dates.

USER: I wan to start on 01/10 and return on 01/12.

ASSISTANT: Can I have your origin please?

USER: My origin is Chicago, ORD.

ASSISTANT: Do you need any connection in between you journey?

USER: Yes, I need a halt in between my journey.

ASSISTANT: Sorry, there are no connecting flights at this moment.

USER: No problem, thank you for the information.

ASSISTANT: Have a good day.