You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I serve you today?

USER: I am Kimberly Hill want to go for shopping at Detroit, can you book a ticket on 10/28 and 10/30?

ASSISTANT: Sure, I will help you in booking your flight ticket. Can you forward your airport codes?

USER: Yes, I would like to travel from LGA to DTW.

ASSISTANT: We have no flights available on particular dates of travelling. Thank you for reaching us.

USER: ok, no issue. Thank you.