You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: I need to travel Denver, can you please reserve flight ticket from SFO and DEN?

ASSISTANT: Sure, can I have your travelling dates please?

USER: My travelling dates are July,15 and July,17.

ASSISTANT: Please provide your name.

USER: Myself Jessica Campbell.

ASSISTANT: Is there any other requirements, please let me know?

USER: Yes, I need a single specification with one connecting flight required.

ASSISTANT: There is an airline called American airlines of flight 1012 in an economy class with stopover. Shall I confirm your booking?

USER: Please proceed with the reservation.

ASSISTANT: Your booking has been done successfully.

USER: Thank you for booking my flight ticket.

ASSISTANT: Thank you for reaching us.