You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I would like to change my flight reservation as my trip got postponed, can you please help me?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your name?

USER: I am Rachel Lewis.

ASSISTANT: Your reservation is found, please share your trip dates.

USER: My travelling dates are 11 to 13 of Dec.

ASSISTANT: Can I know your airport codes?

USER: MSP and PHX are my travelling airport codes.

ASSISTANT: Do you have any specifications?

USER:  I am willing to travel in a single connecting flight.

ASSISTANT: Hawaiian Airlines is providing connecting flight on this route with a ticket fare of 200 and flight departs at 12:00 hours and arrives at 13:00 hours, shall I book your ticket in this flight?

USER: Please proceed.

ASSISTANT: Your reservation is changed in flight 1012.

USER: Thanks for helping me.

ASSISTANT: Thank you for opting us.