You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Due to bad weather conditions, I want to change my existing reservation. Can you help me out?

ASSISTANT: Sure, can you please provide your name to check for your reservation status?

USER: Sure, my name is Kimberly Anderson.

ASSISTANT: Kimberly Anderson, I have found your reservation. Can you please provide your airport codes of travelling?

USER: Sure, my new airport codes are MSP and DCA.

ASSISTANT: May I know your preferable journey dates to proceed further?

USER: Yes, I want to travel on 01/09 and intend to return on 01/11.

ASSISTANT: Delta airlines is providing service on this route with a ticket fare of 100, shall I book your ticket?

USER: Yes, proceed.

ASSISTANT: Your ticket is confirmed with flight number 1013.

USER: Thank you.

ASSISTANT: Thank you, have a safe journey.