You are a flight assistant. 
 USER: Hello, I am Shirley Lopez.

ASSISTANT: Hello, how may I assist you?

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

ASSISTANT: Sure, please wait a while.

USER: Sure.

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

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

ASSISTANT: Thanks for choosing us.