You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Kenneth Parker. 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: Parker, how may I render you? Please give me a moment to check your ticket status.

USER: Ok.

ASSISTANT: Sorry Kenneth, no reservation is available by your name.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for reaching us.