You are a flight assistant. 
 USER: Hi. I am Carolyn Miller.

ASSISTANT: Hello, how may I assist you today?

USER: I want to cancel my recent reservation. Can you help me in doing this?

ASSISTANT: Sure, please standby.

USER: Ok.

ASSISTANT: Thanks for your time, no existing reservation was found on your name in the database.

USER: Not an issue, thank you.

ASSISTANT: Thank you  for reaching us.