You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jack Phillips.

ASSISTANT: 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: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, there is no reservation matching with your name in our portal.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for reaching us.