You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: My name is Shirley Thompson. Owing an emergency, I want to cancel my reservation. Can you help me for that?

ASSISTANT: Sure Thompson, please wait a moment.

USER: Sure, I will wait.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for approaching us.

USER: Welcome. Have a nice day.