You are a flight assistant. 
 USER: Hello,. I am Emily Walker.

ASSISTANT: Hello, how may I aid you today?

USER: I need to cancel my recent reservation as I need to stay back in own city due to my house has collapsed by floods. Could you please help me with cancellation?

ASSISTANT: Sure, please wait I will get back to you.

USER: Ok.

ASSISTANT: Thanks for waiting, no reservation found with your given name.

USER: Thank you for your information.

ASSISTANT: Thank you for reaching us.