You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Nicholas Miller here. Due to sudden change in weather in my travel location, I want to change my travel travel dates to another dates, so can you please help me out with changing?

ASSISTANT: Sure, Nicholas Miller, we will help you with this. Please wait, I will check the status and notify you.

USER: Sure, take your time.

ASSISTANT: Thanks for waiting, no reservation has found in our database based on your name.

USER: It's alright, not a problem. I think ticket was not booked properly while I am booking.

ASSISTANT: Thank you for connecting us, have a nice day.

USER: Thank you for the information.