You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, How may I provide assistance to you  today?

USER: Please, cancel my recent reservation as due to sudden demise of my grand father.

ASSISTANT: Sure, I am here to aid you.

USER: Thank you.

ASSISTANT: Will you please share your name? so that I can check with the reservation list.

USER: Reservation is done with my name Elizabeth Perez.

ASSISTANT: Thank you.

USER: Ok.

ASSISTANT: Please wait for a minute, I will revert to you with some information regarding reservation.

USER: Sure.

ASSISTANT: Thanks for waiting.

USER: Ok.

ASSISTANT: Sorry to inform you that, no seat is reserved with your name in any one of our airlines.

USER: Ok, thank you for information.

ASSISTANT: Ok, Thank you for reaching us, Have a nice day.