You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: My name is Scott Carter.

ASSISTANT: Scott, what can I do for you today?

USER: Owing to an emergency, I had to request for this change reservation.

ASSISTANT: Ok, let me check the details.

USER: Ok.

ASSISTANT: Sorry to say, there is no reservation found under your name.

USER: That's fine, thank you for your information.

ASSISTANT: Can I help you with anything else?

USER: That's ok.

ASSISTANT: Thank you for reaching us.