You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I aid you today?

USER: As I am a C.B.I officer, I need to solve a case at Houston, But unfortunately the case details have been sent to headquarters at Detroit. Can you help me to change my reservation?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Can you help me with your good name please?

USER: Sure, I am Barbara Carter.

ASSISTANT: Please wait a second.

USER: Sure.

ASSISTANT: Thank you for waiting, there is no reservation found on your name to change.

USER: Ok, no issues. Thanks for your kind assistance.

ASSISTANT: Thank you for picking us, hope to see you again.