You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: I am Alexander Green. I want to book a flight ticket to attend an event from MI-DTW to TX-DFW. Can you help me?

ASSISTANT: Sure, may I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Ok, please tell me your travelling dates?

USER: 08/15 and 08/17 are my travelling dates.

ASSISTANT: Ok, please wait for some time.

USER: Ok.

ASSISTANT: There are no flights available on your requested dates.

USER: No issue. Thank you.

ASSISTANT: Thank you for reaching us.