You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to change my reservation due to sudden change of my interview date, can you aid me?

ASSISTANT: Sure, can you share your name to check for your reservation in our records?

USER: My name is Carol Adams.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Sorry, no reservation found on your name in our records.

USER: Ok, not a problem. Thank you for informing me.

ASSISTANT: Thank you for contacting us.