You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you at this moment?

USER: Can you help me in booking my flight ticket from MSP to PHL?

ASSISTANT: Sure, may I know your good name?

USER: I am Joseph Johnson.

ASSISTANT: Please let me know your connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Are there any more specifications?

USER: My return time should be in the morning.

ASSISTANT: Could I have your trip dates, please?

USER: My trip dates will be Nov 6th to Nov 8th.

ASSISTANT: Sorry, there are no flights available as per your requirements.

USER: Its ok, thank you.

ASSISTANT: Thank you for choosing us.