You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: Could you please help me to book a flight from Detroit to attend a robotic workshop in Phoenix?

ASSISTANT: Sure, We are here to help you.

USER: Thank you.

ASSISTANT: Can I know your travelling dates?

USER: I intend to start on Nov 20th and my return date will be on Nov 22nd.

ASSISTANT: Do you need any break?

USER: Yes, I need a break in between my journey.

ASSISTANT: May I know your name?

USER: I am Anna Edwards.

ASSISTANT: Please share me your airport codes.

USER: My source airport code is DTW and my destination airport code is PHX.

ASSISTANT: Is there any other preferences that you would like to add before booking?

USER: No, I don't have any other specifications.

ASSISTANT: Please be on hold for sometime, as I can check a flight for your journey with the best airlines.

USER: Sure.

ASSISTANT: We found a connecting flight with an Southwest airline, flight number:1007.

USER: That's perfect, you can book the ticket with this airline.

ASSISTANT: Your flight ticket has been reserved with an economy class.

USER: Thank you for your assistance in booking.

ASSISTANT: Thank you for choosing us.