You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

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

ASSISTANT: Ok, may I know your trip dates?

USER: My travel dates are 01/19 and 01/21.

ASSISTANT: Ok, here is a flight ticket with 1014 as flight number and 100 as fare.

USER: Book the ticket in the name of Susan Taylor.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.