You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I would like to change my recent reservation because my trip dates are got postponed, can you help me?

ASSISTANT: Sure, I will help you with that. Please mention your name for checking the reservation status.

USER: I am Carol Lopez.

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

USER: CLT and SFO are my travelling airport codes.

ASSISTANT: Please provide your travelling dates.

USER: My travelling dates are 09 to 11 of Jan.

ASSISTANT: Do you have any preferences about flight connections?

USER: I need a connecting flight.

ASSISTANT: Please give me a moment.

USER: Sure.

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

USER: Please proceed.

ASSISTANT: Your ticket is booked. The flight number is 1009.

USER: Thank you.

ASSISTANT: Welcome, have a great day.