You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: I am Joseph Baker. I want to book a flight ticket to attend an workshop at MN-MSP from MI-DTW. Can you help me with this booking?

ASSISTANT: Sure, I can help you. May I know your budget for this trip?

USER: 1000 is my fare.

ASSISTANT: Ok, please forward me your preferable dates.

USER: 10/15 and 10/17 are my preferable travelling dates.

ASSISTANT: Please be on hold for a moment.

USER: Ok.

ASSISTANT: I regret that there are no flights available with the given dates due to the weather conditions.

USER: No issue. Thank you for your response.

ASSISTANT: Thank you for choosing our service.