You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

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

ASSISTANT: Sure, I'm glad to help you with that. May I know your planned departure and return travel dates please?

USER: Sure, I want to travel on Mar 28 and need to return on Mar 30.

ASSISTANT: Do you prefer break in between your journey?

USER: I am looking for a flight with single connection.

ASSISTANT: Please let me know if you have any other specifications.

USER: I prefer an normal-cost airline to travel.

ASSISTANT: May I know your good name please?

USER: Anthony Edwards.

ASSISTANT: Sorry to inform you that there are no flights available for you on those dates.

USER: Ok, not an issue. Thank you for checking.

ASSISTANT: Thank you for choosing us.