You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you now?

USER: I am Susan Clark. I need to fly Oakland, could you please help me in booking my flight ticket from CLT to OAK?

ASSISTANT: Sure, please share me your planned journey dates?

USER: Sure, my planned trip dates are 12/15 and 12/17.

ASSISTANT: Do you want any halt in between your flight journey?

USER: I need a halt in my journey.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Thank you for waiting, sorry there is no flight available on your given journey data.

USER: Ok, no issues. Thank you for your help.

ASSISTANT: Thank you for visiting us, have a nice day ahead.