You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: William Baker here. Can you please book a flight ticket to PHL from DTW?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: May I know your price limit?

USER: Sure, I can pay up to 5000.

ASSISTANT: Please share me your travel dates?

USER: Sure, I will travel on 05/11 and 05/13.

ASSISTANT: Please stand by.

USER: Ok.

ASSISTANT: Thanks for waiting, we found a direct flight with 1020 flight number. Shall I proceed with the booking?

USER: No, I need a single connecting flight. Don't proceed.

ASSISTANT: Ok, thank you for choosing us.

USER: Thank you.