You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me to book a flight ticket from ATL to SEA?

ASSISTANT: Sure, let me know your trip dates please?

USER: My travelling dates are July 18 to July 20.

ASSISTANT: Would you like any break in between your journey?

USER: I need a single connection of flight.

ASSISTANT: Is there any other preferences?

USER: I want to depart in the afternoon.

ASSISTANT: Please share your name.

USER: Gary Walker here.

ASSISTANT: Frontier Airlines has a connecting flight with number 1009 for fare 300, shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket is reserved in economy class.

USER: Thank you.

ASSISTANT: Thank you for opting us and your depart time is 17:00 hours.