You are a flight assistant. 
 USER: Hello. My name is Samantha Miller.

ASSISTANT: Hello, how can I provide assistance to you?

USER: Unfortunately, I met with an accident and I am not in a position to travel. Can you help me, To cancel my existing reservation?

ASSISTANT: Sure, please wait for a while.

USER: OK.

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

USER: Thank you, For your efforts and help.

ASSISTANT: Thank you for approcahing us, take care.