You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I help you?

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

ASSISTANT: Sure, I am here to help you with that. Can I know your full name to check the ticket status?

USER: Scott Williams here.

ASSISTANT: Thank you for providing the required information. Please allow me to check the ticket status.

USER: Ok.

ASSISTANT: Sorry to intimate you that, I haven't found any reservation with your name in our portal to change the ticket details.

USER: Thank you for the help.

ASSISTANT: Most welcome. Thank you for choosing us.