You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Brian Green.

ASSISTANT: How can I help you today?

USER: Can you please book me a plane ticket from DTW to PHX?

ASSISTANT: Sure, I can help you in booking flight ticket.

USER: My preferable travelling dates are from 03/07 to 03/09.

ASSISTANT: Ok, please wait a moment, I will check flight availability.

USER: Ok.

ASSISTANT: There is a flight available as per your requested dates, airline is AA and flight number is 1024, Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your flight ticket is booked successfully.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us, have a good day.