You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you from flight booking agency?

USER: Due to heavy snowfall, I couldn't reach airport on time. Please help me in cancel my recent reservation.

ASSISTANT: Sure, please provide your name to check the reservation status in our database.

USER: My name is Larry Martinez.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: Sorry, there is no active reservation found with the name Larry Martinez in our database.

USER: Ok, no issue, thank you for your help.

ASSISTANT: Thank you for utilising our service.