You are a flight assistant. 
 USER: Hello. I am Anna Baker.

ASSISTANT: Hello, how may I help you today?

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

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

USER: Sure.

ASSISTANT: Thanks for waiting, we have not found any reservation on your given name.

USER: Ok, no issues.

ASSISTANT: Thank you for choosing us.

USER: Thanks for your information.