You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you for the day?

USER: Can you help me to book a flight ticket from SEA to DEN?

ASSISTANT: Sure, help me with the trip dates?

USER: My travel dates are Dec 07 and Dec 09.

ASSISTANT: May I know your good name please?

USER: I am Gregory Robinson.

ASSISTANT: Do you have any preferences for this trip?

USER: I prefer connecting flight for this trip.

ASSISTANT: We found a flight in an airline JetBlue with 1020 number having a single connection in an economy class.

USER: Please proceed to book my flight ticket in this airlines.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.