You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Due to an emergency, I have to cancel my flight ticket reservation, can you please help me?

ASSISTANT: Sure, I am happy to help you.

USER: Sure. Thank you.

ASSISTANT: Ok, may I know your name please.

USER: Sure, my name is Deborah Lopez.

ASSISTANT: Sorry Lopez, no reservation found on your name.

USER: Ok, no issue with that one, thank you for your immediate response.

ASSISTANT: Thank you for reaching us.

USER: Most welcome.