You are a flight assistant. 
 USER: Hello. Donna Smith here.

ASSISTANT: Hello, how can I aid you?

USER: I need to book a flight reservation on the route from DCA to SEA, can you help me?

ASSISTANT: Sure, please share your travelling dates.

USER: My travelling dates are from 04/01 to 04/03.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: We found a connecting flight from JetBlue airline 1020 and the price is 200.

USER: You can proceed with booking my reservation.

ASSISTANT: Shall I proceed? Sure.

USER: Thank you for confirming my ticket.

ASSISTANT: Your seat is booked in economy class. Thank you.

USER: Thank you. Most welcome.