You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I useful to you?

USER: I am Richard Thompson. I want to cancel my recent reservation, as my friend met with an accident. Can you help me in cancelling my recent reservation?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please wait a moment, I will check your details and get back to you.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry to inform you that there is no reservation exist on your name to cancel further.

USER: Not an issue. Thank you for your quick response.

ASSISTANT: Thank you for reaching us.