You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, may I help you?

USER: I am Patricia Robinson. Due to emergency I need to cancel my recent reservation, can you please help me with that?

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: There is no reservation found on your name.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank for opting us.