You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

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

ASSISTANT: Ok, I am glad to help you with that.

USER: Thank you.

ASSISTANT: Can I know your name?

USER: My name is Richard Thomas.

ASSISTANT: Ok, wait for a minute.

USER: Sure, I will wait for your information.

ASSISTANT: Sorry to say that, there is no active reservation found on your name in our records.

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

ASSISTANT: Thank you for consulting us.