You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to visit MSP to meet my friend, can you please find a flight from DFW?

ASSISTANT: Sure, could you please help me with your travelling dates?

USER: My travelling dates are July 16 and July 18.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: May I know your other preferences?

USER: I prefer economy class.

ASSISTANT: There is a flight on Delta airline, flight number 1023 with the fare of 200.

USER: Please proceed.

ASSISTANT: May I know your name?

USER: My name is Sarah Phillips.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your service.