You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Lisa Hernandez here.

ASSISTANT: How can I assist 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 Lisa, please wait a moment.

USER: Ok.

ASSISTANT: I found your reservation. I have cancelled your reservation.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.