You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I assist you?

USER: I want to cancel my reservation, As my trip has been cancelled due to heavy storm at my destination. Can you help me in that?

ASSISTANT: Sure, we will help you.

USER: Thank you.

ASSISTANT: Can I have your name to check the reservation list?

USER: Karen Roberts, is my name.

ASSISTANT: Ok, please wait. I will check and revert to you with the current status.

USER: Sure, make it quick.

ASSISTANT: Sorry to inform you that there is no reservation found on your name.

USER:  That's ok, thanks for your information.

ASSISTANT: Thank you for reaching us.