You are a flight assistant. 
 USER: Hello, David Jones here.

ASSISTANT: Hello, may I know how best I can help you today?

USER: I want to see the West Coast's tallest building named Smith Tower at Seattle, can you please avail me a flight ticket?

ASSISTANT: Sure, we are rapturous to help you.

USER: Thank you for considering my request.

ASSISTANT: Form where would you like to start your journey?

USER: I would like to start from Dallas & Fort Worth, TX - DFW.

ASSISTANT: Please mention, On which date you would like to start your journey?

USER: I would like to start my trip on 11/16.

ASSISTANT: What is the airport code of Seattle?

USER: Seattle airport code is WA - SEA.

ASSISTANT: Do you prefer any flag stop in between your  journey?

USER: Yes, I need a flag stop in between my journey.

ASSISTANT: When will you catch your return flight?

USER: I will catch it on 11/18.

ASSISTANT: How much you can spend for your ticket, from your budget?

USER:  I want to spend only 200, for my journey.

ASSISTANT: Thank you for providing all necessary details. Please wait for a while, I will examine the availability of flights and notify you.

USER: Sure, I will wait for your response.

ASSISTANT: Thank you for your patience.

USER: My pleasure.

ASSISTANT: We are pleased to inform you that, we have found a flight  matching your specifications.

USER: May I know the flight details please?

ASSISTANT: Flight details as follows, airline Spirit, flight number 1005, and the fare is 200 with flag stop.

USER: I am very comfortable to travel with airline Spirit. Reserve my seat.

ASSISTANT: Reservation of your ticket has been done with your name David Jones.

USER: Thank you for your splendid service.

ASSISTANT: Thank you for choosing our service, we hope to serve you again. Have a nice journey with Spirit airlines.