You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I serve you now?

USER: I am unable to travel to airport to board my flight due to severe accident in my way to airport.

ASSISTANT: Ok.

USER: Can you help me with the cancellation?

ASSISTANT: Sure. On whose name your reservation was done?

USER: Please check with the name of Samantha Miller.

ASSISTANT: Please standby, I will check and get back to you.

USER: Sure.

ASSISTANT: Thanks for your time.

USER: Ok.

ASSISTANT: Sorry to inform you that there was no reservation found on your name.

USER: Not a problem. Thanks for the information.

ASSISTANT: Thank you.