You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Jonathan Martinez here. 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: Ok, please wait for a while till I check with your previous booking.

USER: Ok.

ASSISTANT: There is no reservation found under your name, sorry for the inconvenience.

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

ASSISTANT: Thank you for choosing our services.

USER: You are welcome.