You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Thomas Phillips.

ASSISTANT: How can I assist you today?

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. Please give me a moment. I will check your reservation.

USER: sure.

ASSISTANT: Thanks for waiting, there is no reservation found under your name.

USER: It's ok, thank you.

ASSISTANT: Welcome, have a great day.