You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Can you help me in booking from DEN to SFO, as there is a business meeting to attend?

ASSISTANT: May I know your preferred travel dates please?

USER: My trip dates are Nov 11 to Nov 13.

ASSISTANT: Do you have any other specifications?

USER: I am looking for a stopover flight which return in evening.

ASSISTANT: May I know your name please?

USER: I am Samuel Nelson.

ASSISTANT: There is a flight with connection limit 1 and fare 100, shall I proceed for booking?

USER: You can book it.

ASSISTANT: Your ticket is booked, flight number 1007 with Hawaiian Airlines.

USER: Thank you.

ASSISTANT: Thank you for opting us.