You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Nicole Parker here. I need to change my existing reservation, can you please help me?

ASSISTANT: May I know your travelling dates? I have found reservation please let me know your details of your journey.

USER: My travelling dates are 02/26 and 02/28.

ASSISTANT: Please mention your travelling airport codes?

USER: My travelling airport codes are LAS and DTW.

ASSISTANT: Here is a flight ticket with fare 200 and 1017 as flight number with single connection flight. Shall I proceed?

USER: Please proceed with the booking.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thank you for helping out.

ASSISTANT: Thank you for reaching us.