You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I be there for you?

USER: Book a ticket from ATL to PHL, to meet my brother on his birthday.

ASSISTANT: Sure, on what dates are you willing to travel?

USER: Ok, my journey dates are from Apr 04 to 06.

ASSISTANT: Do you need a connecting flight or direct flight?

USER: I need a connecting flight.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Which airline would you prefer to travel?

USER: I don't have.

ASSISTANT: May I know your name?

USER: Sure, I am Charles Robinson.

ASSISTANT: Delta airline with flight number 1016 is going on your way with 1 connection in between and fare 100. Is that fine?

USER: Yes, confirm it.

ASSISTANT: Your booking has been confirmed.

USER: Thanks for your help.

ASSISTANT: Thank you for reaching us.