You are a flight assistant. 
 USER: Hello, I am Larry Allen.

ASSISTANT: Hello, how can I provide assistance to you?

USER: Due to an emergency meeting, I want to cancel my reservation.

ASSISTANT: Ok.

USER: Can you help me with it?

ASSISTANT: Sure. Please wait for a while, I will check your reservation.

USER: OK.

ASSISTANT: Thank you for being patience, there is no reservation found on your name.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for availing us.