You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Please book a flight ticket from IAD to SEA?

ASSISTANT: Sure, we are here to help you. Kindly share your travel dates.

USER: My journey dates are Dec 27 and Dec 29.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Is there any other specifications?

USER: I prefer a economy class.

ASSISTANT: Please share your name.

USER: I am Jeffrey Lopez.

ASSISTANT: There is a flight with your requirement, airline is JetBlue Airlines with price 100 and direct connection. Shall I proceed with booking?

USER: Go ahead.

ASSISTANT: Your booking is done and flight number is 1013 in economy class.

USER: Thank you for your help.

ASSISTANT: Thanks for reaching us.