You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I want to book a ticket from SEA to DFW to attend seminar, can you help me in booking?

ASSISTANT: Please provide your trip dates.

USER: I am departing on Oct 21 and return on Oct 23.

ASSISTANT: Do you need any connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: I do not have any other specifications.

ASSISTANT: May I know your name for reservation?

USER: My name is Edwards Parker.

ASSISTANT: American Airlines is providing connecting flight on this route with a ticket fare of 100 and flight departs at 20:00 hours and arrives at 17:00 hours, shall I book your ticket in this flight?

USER: Please proceed for booking.

ASSISTANT: Your ticket is confirmed in flight 1015.

USER: Thank you for opting us.

ASSISTANT: Thank you for opting us.

USER: Thank you for your service.