You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how could I assist you?

USER: I rescheduled my conference, so now I have to change my reservation. Could you assist me with the name of Kenneth Garcia?

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: We are sorry to inform, there is no reservation found on your given name.

USER: Not a problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you for aiding me.