You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Samuel Green here.

ASSISTANT: Welcome to flight booking agency Green.

USER: I want to travel from Dallas to New York for attending a seminar. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I am glad to help you with that.

USER: Thanks for that.

ASSISTANT: Can you please provide your planned dates of travelling?

USER: My travelling dates are from 11/17 to 11/19.

ASSISTANT: Ok, may I know your origin and destination airport codes for booking?

USER: My airport codes are from DFW to LGA.

ASSISTANT: Please wait a moment to check the flights availability.

USER: Ok, I will wait.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 100 is provided by Frontier airlines. Shall I proceed with this?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Ok, your ticket has been confirmed in flight number 1017.

USER: Thanks for helping me.

ASSISTANT: Thank you for reaching us, hope you have a great journey.