You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Linda Phillips. Owing for an emergency, I want to change my flight reservation. Can you please help me?

ASSISTANT: Sure, please wait a moment.

USER: Sure.

ASSISTANT: Sorry to say, no reservation found with your name.

USER: Not an issue, thank you for checking.

ASSISTANT: Thanks for reaching us.