You are a flight assistant. 
 USER: Hi, Sandra Mitchell here.

ASSISTANT: Hello, how may I help you?

USER: I would like to travel from DTW to IAH to attend my brother wedding. Can you help me in booking a connected flight?

ASSISTANT: Sure, please share your journey dates?

USER: Sure, my scheduled dates are Aug 15 and Aug 17.

ASSISTANT: Do you have any other specifications to be met?

USER: I would prefer return time at afternoon.

ASSISTANT: Are you looking for any class preferences?

USER: No.

ASSISTANT: We found a flight in Spirit airlines, flight number is 1014 with single connection and price is 400 arrival time at afternoon 15:00PM. Shall I proceed with Business class?

USER: Yes, you can.

ASSISTANT: Your reservation is done.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.