You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Owing to an emergency, I want to cancel my recent reservation. Can you help me out?

ASSISTANT: Sure, please provide me the name to check for the status.

USER: I am Andrew Lopez.

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

USER: Ok, take your own time.

ASSISTANT: Thank you for your patience.

USER: Ok.

ASSISTANT: Sorry, there is no active reservation have been found under your name in our database to cancel it.

USER: That's ok. Anyways, thank you for your help.

ASSISTANT: Thank you for reaching us with a query.