You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I would like to cancel my recent reservation, due to sudden demise of my grand father I am not able to attend business meeting, which was going to be held at Washington. Can you please help me in cancellation?

ASSISTANT: Sure, I will help you to cancel your reservation. Please mention your name.

USER: You can check the reservation with the name of Edward Gonzalez.

ASSISTANT: Please give me a moment.

USER: Sure, I would be waiting for your quick response.

ASSISTANT: Sorry, no reservation found on your name to cancel your reservation.

USER: Not a problem, thank you for your information.

ASSISTANT: Welcome, have a nice day.