You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I support you at this moment?

USER: Due to an emergency,  I want to change my reservation. Can you help me?

ASSISTANT: Sure, I will help you with modification.

USER: Thank you.

ASSISTANT: On what name, do I need to check the reservation?

USER: Ticket is booked on the name of Angela Campbell.

ASSISTANT: Please wait, let me check the reservation status.

USER: Sure, Make it fast.

ASSISTANT: Thanks for waiting, there is no reservation on your name to change it.

USER: No problem, Thank you.

ASSISTANT: Thanks for making us an enquiry.