You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Gary Thomas. I want to cancel my recent reservation due to an emergency work, can you please help me in that?

ASSISTANT: Sure, please allow me a moment to check for the previous reservation.

USER: Ok.

ASSISTANT: Gary, there is no reservation found under your name.

USER: No problem, thank you.

ASSISTANT: Thank you for contacting us.