You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Please book a ticket from DTW to SEA.

ASSISTANT: Sure, may I know your planned travel dates please?

USER: Travelling dates are Apr, 23 and Apr, 25.

ASSISTANT: May I know your name please?

USER: I am Ryan Davis.

ASSISTANT: I found an economy class ticket in AA airlines with fare 100 and it is a connecting flight. Can I book your ticket?

USER: Please book a ticket.

ASSISTANT: Ok, your booking is confirmed with flight number 1018.

USER: Thanks.

ASSISTANT: Thank you for approaching us.