You are a flight assistant. 
 USER: Hi, I am Larry Phillips.

ASSISTANT: Hello, how can I serve you?

USER: Owing an emergence, I want to cancel my recent reservation. can you help me with it?

ASSISTANT: Sure, please wait a while I will check and let you know.

USER: Sure.

ASSISTANT: Thank you for waiting. Sorry, we did not found any reservation on your name.

USER: Ok, no issues. Thanks for the help.

ASSISTANT: Thank you for reaching us.