You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How best can I aid you today?

USER: Due to my ill health, I would like to cancel my recent reservation. Please help me out.

ASSISTANT: Sure, I am here to help you with that.

USER: Thank you.

ASSISTANT: For cancelling your reservation, we need to know your name to check your reservation status. So, please forward me your name.

USER: Sure, my name is Sandra Allen.

ASSISTANT: Ok, please be on hold for a while.

USER: Sure, take your time.

ASSISTANT: We regret to inform you that, we have not found any active reservation on your name in our records.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for reaching us.