You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am Frank Smith, I want to book a flight ticket from SEA to DFW.

ASSISTANT: Sure, I am oblige to help you. Can you please provide your preferable dates of travelling?

USER: My travelling dates are 02/14 and 02/16.

ASSISTANT: Please wait a moment to check the flights.

USER: Ok, sure.

ASSISTANT: Based on your information, I have found flight with 1 connection with the fare of 200. Is it ok for you?

USER: Yes, do proceed.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for the help.