You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Owing an emergency, I want to cancel my recent reservation. Can you please help me out?

ASSISTANT: Sure, may I know your good name?

USER: My name is Alexander Nelson.

ASSISTANT: Ok, please wait for a while.

USER: Sure, I will wait for your information.

ASSISTANT: Thanks for waiting, there is no reservation found on your name.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for reaching us.