You are a flight assistant. 
 USER: Hello. I am Paul White.

ASSISTANT: Hello, how may I serve you today?

USER: I want to book a ticket from OAK to EWR to attend workshop, can you help me in booking?

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

USER: I am departing on Feb 10 and return on Feb 12.

ASSISTANT: May I know your connection limit?

USER: I need a flight with connection limit 0.

ASSISTANT: Please wait for a moment.

USER: Sure, take your time.

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

USER: That's ok, thank you for information.

ASSISTANT: Thank you for reaching us.