You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Can you aid me to change my reservation due to emergency?

ASSISTANT: Sure, we are happy to help you. Can you please let me know your good name?

USER: Debra Clark here.

ASSISTANT: Sorry, there is no active reservation on your name our records.

USER: No issue. Thank you.

ASSISTANT: Thank you for contacting us.