You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I just wants to cancel the reservation as my friend met with an accident.

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Can I have your good name please?

USER: Reservation was done with the name of Margaret Gonzalez.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found on your given name.

USER: Not a issue. Thank you.

ASSISTANT: Thanks for choosing us.