You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am looking for a flight from PHL to PHX, can you help me in booking?

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

USER: Sure, my planned travel dates are Feb 02 and Feb 04.

ASSISTANT: Do you have any specifications?

USER: I prefer for a business class.

ASSISTANT: Could you help me with your name please?

USER: Myself Paul Smith.

ASSISTANT: Delta Airlines is providing a connecting flight with 1024 flight number and airfare is 900. Shall I proceed?

USER: That's fine, please proceed with booking.

ASSISTANT: For a business class your ticket is booked.

USER: Thank you for the service.

ASSISTANT: Thank you for reaching us.