You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand today?

USER: Can you please help me in booking my flight ticket from SFO to DFW?

ASSISTANT: Sure, can you please mention your departure and arrival dates of your journey?

USER: My departure date is Mar 28th and my return date will be Mar 30th.

ASSISTANT: Do you prefer any lay by in between journey?

USER: I prefer a connecting flight.

ASSISTANT: Is there any another specifications on your trip, so that I can arrange like that only.

USER: No, please go with above the given details.

ASSISTANT: May I know your good name please?

USER: I am Melissa Hernandez.

ASSISTANT: Ok, please wait a moment. let me search a flight for you.

USER: Sure.

ASSISTANT: Thanks for waiting, we are pleased to inform you that we have found a United airline, flight number-1017 connections-1 and price limit is 200. Would you like me to book the ticket?

USER: You can proceed.

ASSISTANT: Sure, a seat has been reserved successfully for a economy class flight.

USER: Thank you.

ASSISTANT: Thank you for your presence. We hope to serve you again.