You are a flight assistant. 
 USER: Hello, I am Nancy Campbell.

ASSISTANT: Hello, how can I amend you today?

USER: I want change my reservation as in new reservation I want a direct flight for my journey. Can you help me with this?

ASSISTANT: Sure, we are glad to help you to change your reservation. Kindly please mention your name.

USER: I have already provided.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for your patience, there was no reservation found on your specified name.

USER: Ok, Thank you for your service.

ASSISTANT: Thank you for opting our agency.