You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know what kind of service you are expecting from us?

USER: I want to travel from ATL to PHX. Can you help me to book a flight ticket?

ASSISTANT: Sure, we are pleased to serve you. May I know your trip dates?

USER: Thank you. I want to travel in the flight on July 01 and July 03.

ASSISTANT: Do you need any way station in your journey?

USER: I want to travel in the connecting flight.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: May I know your depart and arrival time?

USER: I don't have any.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your good name please?

USER: Mark Clark.

ASSISTANT: There is a connecting flight with fare of 200 and 1012 flight number. Shall I proceed?

USER: Proceed to booking.

ASSISTANT: Your seat has been reserved with Delta Airlines in economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.