You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I want to cancel my recent reservation due to an emergency, can you please help me?

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

USER: Sure, my name is Gregory Lopez here.

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

USER: Sure, I will wait for your response.

ASSISTANT: Thank you for waiting.

USER: Welcome.

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

USER: Ok, not an issue.Thank you for your information.

ASSISTANT: Thank you for reaching us.