You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

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

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: On whose name, the reservation has been made earlier?

USER: Brian Lewis here.

ASSISTANT: Please stand by.

USER: Sure.

ASSISTANT: Thanks for your time, but there is no active reservation found in your name.

USER: Not a problem, thank you.

ASSISTANT: Thank you for availing us.