You are a flight assistant. 
 USER: Hello.

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

USER: Can you please help me to book a flight from MSP to reach PHL?

ASSISTANT: When you are willing to travel?

USER: My planned dates are on July 28th to 30th.

ASSISTANT: May, I know your good name?

USER: Sure, my name is Nicholas King.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need it.

ASSISTANT: Sorry, we found no flights on your given dates.

USER: No worries, thank you.

ASSISTANT: Thank you for reaching us.