You are a flight assistant. 
 USER: Hello, I am Virginia Perez.

ASSISTANT: Hello, how can I support you?

USER: I want to book a flight ticket from DC - DCA to CO - DEN to meet my cousin in Denver.

ASSISTANT: Sure, Can you please provide your travelling dates?

USER: I would like to depart on 11/21, return on 11/23.

ASSISTANT: Ok, Do you prefer a direct flight or a connected flight?

USER: I need a connecting flight.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a connecting flight in 1019 Spirit plane with a fare of 100.

USER: You can proceed to booking.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.