You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you now?

USER: i would like to book a flight with a connection from LAS to OAK, so aid me in booking.

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

USER: Sure, my planned dates are 11/16 to 11/18.

ASSISTANT: May I know your good name?

USER: Sure, my name is John Jones.

ASSISTANT: Do you need any halt in between the journey?

USER: I have mentioned already.

ASSISTANT: Thank for the details, sorry there is no flight available on your journey data.

USER: No problem, thanks for your support.

ASSISTANT: Thank you for reaching us.