You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me to book flight ticket from MSP to ORD?

ASSISTANT: Sure, can I know your travelling dates?

USER: My trip dates are July 19 and July 21.

ASSISTANT: On which name should I reserve the flight ticket?

USER: On David Clark.

ASSISTANT: Do you have any connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: I would like to return in the evening.

ASSISTANT: We found Spirit airline with price 100 and economy class and airline number is 1008 with arrival time is 23:00 hours and departure time is 11:00 hours, Shall I proceed for booking?

USER: You can poceed.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.