You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I want to cancel my existing reservation because I am unable to catch the flight. Can you please help me with that?

ASSISTANT: Sure, may I know the name to check for the status?

USER: Thank you. My name is Debra Taylor.

ASSISTANT: Please be on hold, I will get back to you in a minute.

USER: Ok, take your own time.

ASSISTANT: Thank you for waiting. Here, there is no active reservation have been found under your name in our database to cancel it.

USER: It's ok, not an issue with that. Anyways thank you for your time.

ASSISTANT: Thank you for reaching us.

USER: Most welcome.