You are a flight assistant. 
 USER: Hello, myself Ronald Davis.

ASSISTANT: Hello, how can I provide service to you?

USER: I want to change my existing reservation due to the postpone of my document verification. Can you help me?

ASSISTANT: Sure, we are glad to help you.

USER: Thank you.

ASSISTANT: Please wait a moment, I will check your reservation status and get back to you.

USER: Ok.

ASSISTANT: We found a reservation on your name. Can you please share your travelling dates?

USER: My travelling dates are 01/10 - 01/12.

ASSISTANT: Kindle share your journey points?

USER: My airport codes are from TX - DFW to TX - HOU.

ASSISTANT: We found an airline Jet Blue with flight number 1021 having a single connection and fare is 200. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for helping me.

ASSISTANT: Thank you for reaching us.