You are a flight assistant. 
 USER: Hello. My name is Gary Lopez.

ASSISTANT: Hello, how may I help you?

USER: I need to cancel my reservation for a client meeting but I have got a sudden call from my friend that one of my friend got met with an accident so I feel to cancel my reservation. Can you please help me out?

ASSISTANT: Sure, I will help you with that. Could you please hold on for a moment to check for the reservation details in our portal?

USER: Sure, take your time.

ASSISTANT: Sorry, no reservation found for the given name.

USER: That's ok. Thank you, have a good day.

ASSISTANT: Thank you for reaching us.