You are a flight assistant. 
 USER: Hi, I am Katherine Green.

ASSISTANT: Hello, how can I provide assistance to you?

USER: My exams were canceled due to having some internal issues.

ASSISTANT: Ok.

USER: So, I have to cancel my reservation. Will you assist me in this?

ASSISTANT: Sure, I am ecstatic to serve you.

USER: Ok.

ASSISTANT: Please wait for a while, I will check your reservation.

USER: Sure.

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

USER: Not a problem. Thank you for addressing me.

ASSISTANT: Thank you for approaching us.