You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Patrick Adams.

ASSISTANT: How can I assist you?

USER: Can you help me to cancel my recent reservation?

ASSISTANT: Ok, fine I will search your reservation and let you know please wait.

USER: Sure, take your time.

ASSISTANT: Sorry Adams, no active reservation found on your name to cancel.

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

ASSISTANT: Thank you for reaching us, hope you satisfied with our agency service. Have a nice day.