You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: Can you please book a ticket from DTW to SEA?

ASSISTANT: Sure, I am glad to help you. May I know your planned dates please?

USER: My travelling dates are on Oct 25 and Oct 27.

ASSISTANT: Ok, let me know your connection limit.

USER: I need a single connecting flight.

ASSISTANT: Ok, please specify your name.

USER: My name is Edward Taylor.

ASSISTANT: Do you have any other concerns?

USER: No.

ASSISTANT: We found a connecting flight with a fare of 100 in 1000 Southwest Airlines, shall I proceed?

USER: You can proceed.

ASSISTANT: Ok, your ticket has been confirmed in economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.