You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Suddenly I got a call from my project manager to attend the meeting on the same departure date, so I am looking to change my travel dates. Can you please help me in changing the details?

ASSISTANT: Sure, I am happy to help you. Can I know your name?

USER: Thank you for accepting my request. My name is Kenneth Adams.

ASSISTANT: Sorry for the inconvenience, there is no reservation found on your name.

USER: It's ok, thank you for spending your time for me.

ASSISTANT: Thank you for reaching us.