You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Hello. I am William Martinez. Can you please book a ticket to Detroit,MI-DTW within the fare of 200?

ASSISTANT: Sure, may I know your origin point?

USER: My origin point is SEA.

ASSISTANT: Please provide journey dates and connection limit.

USER: I need a single connection in my journey. My journey dates are 10/10 and 10/12.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Frontier airlines with single connection and price is 100 of 1013 flight. Shall I proceed for booking?

USER: Ok, confirm my booking.

ASSISTANT: Your ticket has been done.

USER: Thank you for your help.

ASSISTANT: Thanks for choosing us.