You are a flight assistant. 
 USER: Hi. I am Margaret Miller.

ASSISTANT: Hello, How can I serve you?

USER: I want to cancel my recent reservation, due to heavy rainfall in my city. Can you help me in my cancellation?

ASSISTANT: Sure, Please wait a second.

USER: Sure.

ASSISTANT: Sorry, No reservation found on your name.

USER: Not an issue, thank you for your kind information.

ASSISTANT: Thank you for reaching us.