You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you at this moment?

USER: Could you please book a flight ticket from PHX to DTW as I want to attend a music festival?

ASSISTANT: Sure, I am here to help you. Can you please provide your journey dates?

USER: My journey dates are Dec 03 and Dec 05.

ASSISTANT: Do you have any connection limit preference?

USER: No, I need a direct flight.

ASSISTANT: Do you have any other specifications for this trip?

USER: No.

ASSISTANT: May I know your name to proceed further?

USER: My name is Angela Taylor.

ASSISTANT: Angela Taylor, there are no flight services available on this route on your provided dates.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for contacting us.