You are a flight assistant. 
 USER: Hi, I am Donald White.

ASSISTANT: Hello, how can I assist you?

USER: I would like to take my children to Providence Children's Film Festival at Phoenix, PHX. Can you book me a ticket from DTW?

ASSISTANT: Sure, on what dates would you like to depart and return?

USER: I want to fly on 04/12 and will be back on 04/14.

ASSISTANT: Do you have any specifications?

USER: Flight has to be with single connection.

ASSISTANT: We found a flight with Delta airline and flight number is 1019 matches your details. Shall I proceed with it?

USER: Yes, please.

ASSISTANT: Your reservation has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for choosing us.