You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you?

USER: Can you please change my reservation due to sudden change of meeting?

ASSISTANT: Sure, may I know your name please?

USER: Linda Taylor is my name.

ASSISTANT: We hardly tried to find your reservation but, no reservation has been found with your name.

USER: Ok, no issues. Thanks for your valuable service.

ASSISTANT: Thanks for approaching us.