You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: Can you help me to book a flight ticket from MSP to HOU?

ASSISTANT: Sure, may I know your good name?

USER: I am John Parker.

ASSISTANT: Could I have your trip dates, please?

USER: My trip dates are 20 to 22 of Sep.

ASSISTANT: Do you have any preferences?

USER: I want a connecting flight.

ASSISTANT: We found a connecting flight 1001 from Spirit airline with a fare of 100. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you.

ASSISTANT: Thank you for opting us.