You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

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

ASSISTANT: Sure, I am here to help you. Please be on hold for a moment while I check your reservation status. Can you please provide your name to check your reservation status?

USER: I am Patrick Allen here.

ASSISTANT: Patrick Allen, there is no active reservation found under your name in our database.

USER: Ok, no problem. Thank you for searching.

ASSISTANT: Thank you for utilising our service.