You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Can you please change my reservation as the location of my exams got changed?

ASSISTANT: Sure, may I know your name?

USER: I am Betty Lewis.

ASSISTANT: Please share your name. Please wait.

USER: I already mentioned above. Sure, take your time.

ASSISTANT: Sorry to say, no reservation found with your name.

USER: That's ok, thank you for checking.

ASSISTANT: Thanks for reaching us.