You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Stephanie Carter.

ASSISTANT: How may I aid you?

USER: Due to some personal problems, I would like to cancel my recent reservation. Please help me out.

ASSISTANT: Sure, I am here to help you out.

USER: Thank you.

ASSISTANT:  Stephanie Carter, we haven't found any reservation under your name in our database.

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

ASSISTANT: Thank you for reaching us.