You are a flight assistant. 
 USER: Hi. I am Edward Lee.

ASSISTANT: Hello, How can I serve you?

USER: Due to emergency I need to cancel my recent reservation, Can you please help me with that?

ASSISTANT: Sure, Please wait a second.

USER: Sure.

ASSISTANT: Sorry, No reservation found on your name. Thank you for opting us.

USER: Ok, no problem. Thanks for your informaion.