You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: I need to book a flight ticket from PHX to PHL, can you help me in booking a flight ticket?

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

USER: Sure, my journey dates are Jan 31 and Feb 2.

ASSISTANT: Is there any airline preference?

USER: No.

ASSISTANT: Any other requirement to be met?

USER: I would prefer depart time at evening.

ASSISTANT: Can you mention your name to proceed further?

USER: Sure, Amy Martinez here.

ASSISTANT: Please wait.

USER: Please make sure I prefer maximum one connection.

ASSISTANT: Ok. United Airlines has a connecting flight with number 1015 for fare 500 which departs at 0:00 hours, shall I proceed?

USER: Yes, you can.

ASSISTANT: Your ticket is reserved in business class.

USER: Thank you for your assistance.

ASSISTANT: Thank you for opting us.