You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: Due to bad weather at my source, I want to cancel my recent reservation. Can you please help me with this?

ASSISTANT: Sure, Please wait a second.

USER: Sure, I am Melissa Thompson.

ASSISTANT: Sorry, No reservation found on your name.

USER: Ok, Thank you for your help.

ASSISTANT: Thank you for opting us.