You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Katherine Rodriguez.

ASSISTANT: What service that you are seeking from our agency?

USER: Owing an emergency, I want to cancel my recent reservation. Can you help me in this?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Please wait a moment to check your previous reservation.

USER: Sure.

ASSISTANT: We regret to inform you that, there is no reservation on your name in our records.

USER: It's ok, not a problem. Thank you for your information.

ASSISTANT: Thank you for approaching us, have a great day.