You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: Can you book a flight ticket in the month of Oct from 18th to 20th?

ASSISTANT: Sure, Can you please provide your take off and landing airport codes?

USER: My airport codes are SEA and DTW.

ASSISTANT: On what name, do I need to reserve your ticket?

USER: Patrick Campbell here.

ASSISTANT: Let me know your connection limit?

USER: I need a single connecting flight.

ASSISTANT: Do you have any other requirements?

USER: I prefer to travel in business class.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure, take your time.

ASSISTANT: We found 1019 AA airlines with single connection with business class.

USER: Please proceed.

ASSISTANT: Your ticket has been reserved with price 800.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.