You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Owing to an emergency, I need to change my existing reservation. Can you help me with this?

ASSISTANT: Sure, can you please provide me your name?

USER: I am Kenneth Gonzalez.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: Kenneth Gonzalez. I regret to inform that there is no reservation by your name?

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us.