You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Barbara Young here and I would like to attend a business meeting, can you please help me out with booking of a flight ticket from PHL to DEN?

ASSISTANT: May I know your desired travel dates please?

USER: Sure, my departure is on Aug 09 and please book my return ticket also on Aug 11.

ASSISTANT: Do you have any class preference?

USER: No.

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

USER: I am ok with this flight, you can proceed with booking now.

ASSISTANT: Your ticket is booked, flight number 1028.

USER: Thank you for reaching us, have a great day.

ASSISTANT: Thank you for opting us.