You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I amend you today?

USER: I made a reservation earlier to attend a meeting but unfortunately, the meeting got delayed due to some technical issues.

ASSISTANT: Ok.

USER: Can you please help me in changing my earlier reservation?

ASSISTANT: Sure, I am mirthful to help you.

USER: Thank you.

ASSISTANT: May I know your name to check your previous reservation?

USER: I am Edward Hernandez.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting. I am here to inform you that, there is no reservation found on your name.

USER: It's ok. thanks for the information.

ASSISTANT: Thank you for contacting us.