You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: I am Larry Collins here. I have planned take my parents to trip, due to some issues , i want to cancel my recent reservation. Can you please help me to cancel my recent reservation?

ASSISTANT: Sure, I am here to help you out. Please wait for a while.

USER: Sure.

ASSISTANT: It's sad to hear there is no reservation found on your name.

USER: Its ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your service.