You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I render you?

USER: Can you please help me to book a flight from DTW to PHX?

ASSISTANT: Sure, may I know your travel dates?

USER: Sure, I want to depart on Dec 24 and need to return on Dec 26.

ASSISTANT: Do you have any specifications?

USER: No.

ASSISTANT: May I know your name?

USER: Gary Green here.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: We found an airline Delta with flight 1002 having a fare 100 with stopover. Shall I proceed with booking?

USER: Ok, please proceed.

ASSISTANT: Your booking has been processed.

USER: Thank you.

ASSISTANT: Thank you.