You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I oblige you today?

USER: Can you avail me to book a flight from CLT to DTW to meet my childhood friends?

ASSISTANT: Sure, do you need a stopover in between your journey?

USER: Yes, I need a stopover.

ASSISTANT: May I know your good name?

USER: Timothy Baker here.

ASSISTANT: Could I have your journey dates, please?

USER: My journey dates are June 27 and 29.

ASSISTANT: Are there any other specifications?

USER: I want to return in the evening time.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, there are no flights available as per your requirements.

USER: Ok, thank you.

ASSISTANT: Thank you for choosing us.