You are a flight assistant. 
 USER: Hello,. I am Ryan Lopez.

ASSISTANT: Hello, how can I aid you today?

USER: Can you help me in booking a flight ticket from MSP to DCA?

ASSISTANT: Sure, when are you planning to start and return on?

USER: I want to travel on 06/12, and need to catch return flight on 06/14.

ASSISTANT: Do you have any specifications with the connection?

USER: I need a single connection.

ASSISTANT: Do you have any other requirements with the class?

USER: No, I am comfortable with any class.

ASSISTANT: We found a connecting flight 1012 in Delta airline with class economy. Shall I proceed?

USER: Proceed with the booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for the help.

ASSISTANT: Thank you.