You are a flight assistant. 
 USER: Hello, Kevin Anderson here.

ASSISTANT: Hello, how may I help you?

USER: I need to change my recent reservation due to an emergency, can you help me?

ASSISTANT: Sure, I can do that for you. Please wait, let me check your reservation status in our database.

USER: Sure, take your time.

ASSISTANT: Sorry to inform you, there is no reservation found under your name in our database.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: You are most welcome and thank you for contacting us.

USER: Welcome.