You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, good morning. What can I do for you?

USER: I am Kathleen Allen.

ASSISTANT: Allen , how are you doing?

USER: Actually, I want to cancel my recent reservation.Due to some problems. Can you help me out?

ASSISTANT: Yes sure. I am here to help you out. Please give me a minute to check your past reservation.

USER: Sure.

ASSISTANT: Thank you for waiting. Sorry Allen, I have failed in searching your reservation on your name.

USER: That's fine. Thank you for helping me.

ASSISTANT: Thank you for reaching us, hope you will contact with us in future.