You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I aid you today?

USER: I am Stephen Perez. Can you please help me in booking a round trip to SFO?

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

USER: I want to travel on 05/13 and need to catch return flight on 05/15.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Flight 1014 in UA airlines is available for you with 1 stopover and it costs you 200. Can I proceed?

USER: Proceed with the booking.

ASSISTANT: Your booking is done.

USER: Thanks for the help.

ASSISTANT: Thank you for reaching us, have a safe flight.