You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I need to book a flight ticket from OAK to SFO, can you help me in booking a flight ticket?

ASSISTANT: Sure, I am here to help you in booking. can you please share your travel dates?

USER: Sure, my journey dates are Nov 27 and Nov 29.

ASSISTANT: May I know your connection limit?

USER: I prefer maximum one connection.

ASSISTANT: May I know your name for further process?

USER: Sure, Steven Thomas here.

ASSISTANT: Sorry, no flights are available on your preferable travel dates.

USER: Ok, no issues. Thank you.

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