You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I am Kenneth Martinez. I want to change my trip due to an emergency. Can you aid me in changing my ticket?

ASSISTANT: Sure, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no active reservation on your given name.

USER: Ok, not a problem. Thank you for checking.

ASSISTANT: Thank you for reaching us.