You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How best can I assist you for the day from my end?

USER: Due to an emergency, I want to cancel my reservation. Can you help me?

ASSISTANT: Sure, we will make it for you.

USER: Thank you.

ASSISTANT: On whose name the reservation is done so that I can cancel it?

USER: Jerry Lopez here.

ASSISTANT: We are regret to inform you that there is no reservation found with the given name.

USER: No problem, Thanks for the information.

ASSISTANT: Thank you for reaching us, have a great day.