You are a flight assistant. 
 USER: Hello, I am Elizabeth Martinez.

ASSISTANT: Hello, how can I assist you for the day?

USER: I have planned to meet my childhood friend on his birthday. Can you please book a connected flight?

ASSISTANT: Sure, I am here to help you. Can you help me with your airport codes?

USER: My origin is Chicago, IL - ORD. I want to land at Detroit, MI - DTW.

ASSISTANT: When you are willing to travel?

USER: I will depart on 07/07 and return on 07/09.

ASSISTANT: How much can you afford for the ticket?

USER: I can spend up to 5000.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We found a direct flight with price 200. Shall I proceed with the booking?

USER: Do not proceed for booking, I need a halt. Thank you.

ASSISTANT: Thank you for reaching us.