You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: I am planning to go my grandfather's home, can you please help me for booking the flight from Detroit, MI-DTW?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Could you please provide your preferable dates that you want to travel?

USER: The preferable dates are 04/12 to 04/14.

ASSISTANT: Ok, may I know your destination airport code to proceed further?

USER: The destination airport code is NY-JFK.

ASSISTANT: On whose name I have to book the flight ticket?

USER: Please book the ticket on the name of Sandra Lopez.

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

USER: Yes, please book the ticket.

ASSISTANT: Ok, your ticket has been confirmed with flight number 1005.

USER: Thank you for your help.

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