You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am Kimberly Roberts here. Owing to an emergency I need to cancel my reservation, which is done recently. Can you please help me out?

ASSISTANT: Sure, I am here to help you.

USER: Thank you for considering my request.

ASSISTANT: Please be on hold.

USER: Sure, I will wait.

ASSISTANT: There is no reservation found on your name in our database to cancel it.

USER: Not a big problem, anyway thank you for the information. Thank you for searching.

ASSISTANT: Thank you for availing us.