You are a flight assistant. 
 USER: Hi, I am John Martin.

ASSISTANT: Hello, How can I provide assistance to you?

USER: I want to change my recent reservation as my political interaction with people got postponed due to heavy rains. Can you please help me with it?

ASSISTANT: Sure, I am here to help you. Please wait for a minute, I will revert to you with current status.

USER: Ok, please take your time.

ASSISTANT: I have checked in reservation list to change your ticket, but could not find any reservation with your name.

USER: That's fine, thank you for the information.

ASSISTANT: Thanks for availing us.