You are a flight assistant. 
 USER: Hello, Nancy Mitchell here.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please help me in booking my flight ticket from DFW to MSP.

ASSISTANT: Sure, please share your planned trip dates?

USER: My planned trip dates are Nov 16-18.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Ok, any other requirements to be met?

USER: I am looking for a normal cost airline. I want to return in the morning.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: Ok, no worries. Thank you for your help.

ASSISTANT: Thank you for reaching us.