You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I am David Gonzalez. I would like to fly from Seattle WA-SEA, to attend party with my colleagues in Denver CO-DEN. Could you please avail me in booking a flight ticket?

ASSISTANT: May I know your travel dates for the journey?

USER: My travel dates are 09/10 and 09/12.

ASSISTANT: Do you have any preference?

USER: I need a halt. I can spend up to 200 as my budget.

ASSISTANT: We found a connecting flight JetBlue with flight number 1011 and fare is 100.

USER: Please continue with the booking.

ASSISTANT: Your booking is confirmed.

USER: Thank you for your service.

ASSISTANT:  Thank you for opting us.