You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I support you for the day?

USER: I am Kevin Adams, want to change my reservation, because my basket ball game delayed due to bad weather.

ASSISTANT: OK.

USER: Can you help me?

ASSISTANT: Sure, I am ecstatic to help you.

USER: Thank you.

ASSISTANT: Please be hold on for a moment, I will check your reservation.

USER: Sure.

ASSISTANT: Thanks for waiting.

USER: Ok.

ASSISTANT: There is no reservation available with your specified name.

USER: Ok. Thanks for assisting me.

ASSISTANT: Thank you for approaching us.