You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Brain Davis here. I need to attend a marriage at New York, can you please help me in booking a flight ticket from DEN to JFK?

ASSISTANT: Sure, can you share your journey dates?

USER: Sure, my travel dates are from 09/27 to 09/29.

ASSISTANT: Do you have specifications?

USER: I need a connecting flight under the price 500.

ASSISTANT: There is a connecting flight with number 1021 in airline JetBlue, the fare is 100.

USER: Ok, please proceed with booking.

ASSISTANT: Your ticket is reserved.

USER: Thank you for helping me in booking.

ASSISTANT: Thank you for reaching us.