You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Gregory Evans here.

ASSISTANT: How may I aid you?

USER: I want to cancel my reservation today due to attacks in Syria, can you help me?

ASSISTANT: Sure, please wait for a moment to check your reservation details.

USER: Ok, take your time.

ASSISTANT: Sorry, no reservation found on your name.

USER: Oh! That's sad to know, thank you for checking anyways.

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

USER: Most welcome.