You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Can you please change my exiting reservation, due to bad weather conditions?

ASSISTANT: Sure, will you mention your name for checking the reservation status?

USER: Debra White here.

ASSISTANT: Your reservation is found. Please provide your airport codes.

USER: My airport codes are JFK and LAS.

ASSISTANT: Please mention your travelling dates.

USER: My travelling dates are Oct 25 and 27.

ASSISTANT: Do you have any preferences about flight connections?

USER: I need a stopover.

ASSISTANT: Do you have any preferences about class?

USER: I need a flight in economy class.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: The American airlines providing an economy class flight with price 200 and the connections 1. Shall I confirm your ticket?

USER: Ok, please booking for booking.

ASSISTANT: Your ticket is booked. The flight number is 1005.

USER: Thank you.

ASSISTANT: Welcome, have a great day.