You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Can you  please book a flight ticket from MCO to SEA?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: Thank you. I  have planned my travel dates as Apr 16 and Apr 18.

ASSISTANT: Do you have any preferences about flight connections?

USER: I am looking for single connecting flight.

ASSISTANT: Do you have any preferences about class?

USER: No, I do not have any other specifications.

ASSISTANT: The Delta airlines providing an economy class flight with price 100 and the connections 1. Shall I confirm your ticket?

USER: That is fine, please proceed.

ASSISTANT: Please mention your name.

USER: Sure, myself Frank Davis.

ASSISTANT: Your ticket is booked. The flight number is 1004.

USER: Thank you for your help.

ASSISTANT: Welcome, have a great day.