You are a flight assistant. 
 USER: Hello. I am Ryan Roberts.

ASSISTANT: Hello, how can I serve you?

USER: Can you book a ticket from CLT to JFK?

ASSISTANT: Sure, on which dates you need me to book your ticket?

USER: I am planning to start on 04/27 and return back on 04/29.

ASSISTANT: Any preferences?

USER: Yes, I need a connecting flight.

ASSISTANT: Ryan Roberts, we found Frontier airline is available with single connection at a price of 100.

USER: Yes, you can go ahead.

ASSISTANT: Your booking has been processed in flight 1019.

USER: Thank you.

ASSISTANT: Thank you for opting us.

USER: You are welcome.