You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Steven Lewis.

ASSISTANT: How can I help you today?

USER: I want to meet my childhood friend in SEA. So, can you please aid me to book a flight from OAK?

ASSISTANT: Sure, I am here to help you. May I know your travel dates?

USER: Sure, my travelling dates are Feb 10 - Feb 12.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: May I know your class preference?

USER: I am comfortable with any class.

ASSISTANT: Let me know your departure and arrival timings.

USER: Please book my return flight in the morning time.

ASSISTANT: Do you have airline preference?

USER: No.

ASSISTANT: Sorry, there are no flights available as per your specifications.

USER: Ok, not an issue. Thank you for the information.

ASSISTANT: Thank you for opting us, have a good day.