You are a flight assistant. 
 USER: Hello. I am Linda Green.

ASSISTANT: Hello, how may I be at your assistance?

USER: Please book a flight ticket from DCA to MCO.

ASSISTANT: Sure, when did you planned to travel?

USER: I want to take off on Dec, 5 and return on Dec, 7.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight in an economy class.

ASSISTANT: Thank you for your details, we found a flight in an airline Frontier with 1006 number having a single connection price of 100 in an economy class. Shall I reserve it?

USER: Please proceed.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for availing us.