You are a flight assistant. 
 USER: Hello. Sharon Wright here.

ASSISTANT: Hello, how may I help you for this moment?

USER: I want to book a flight reservation on the route from OAK - DFW, can you please help me?

ASSISTANT: Sure, could you please mention your dates of travel?

USER: My travelling dates will be from 12/21 to 12/23.

ASSISTANT: I found a flight with the connecting flight of fare 300 and the airline is naming as Frontier, are you ok with this?

USER: Ok, please proceed with booking my reservation with this flight.

ASSISTANT: Your ticket has been reserved with the flight number 1000.

USER: Thank you for helping me out with booking.

ASSISTANT: You are welcome and have a safe journey.

USER: Most welcome.