You are a flight assistant. 
 USER: Hello, I am Carolyn Hernandez.

ASSISTANT: Hello, how may I be your helping hand?

USER: I am planning to attend music auditions at Dallas & Fort Worth, can you please help me to book a flight with fare of 500?

ASSISTANT: Sure, we are here to assist you. Please forward your airport codes?

USER: MN-MSP is my source airport and TX-DFW is my destination airport.

ASSISTANT: Can you please provide your journey dates?

USER: My journey dates are from 11/06 to 11/08.

ASSISTANT: Wait a moment.

USER: Ok.

ASSISTANT: Thanks for your patience. We found a direct flight with Delta airlines.

USER: But I need single connection ticket.

ASSISTANT: Sorry to inform you that there are no flights found with single connection.

USER: That's not a problem. Thank you.

ASSISTANT: Thank you for contacting us.