You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to cancel my recent ticket booking due to office work that my manager did not approved my leaves, so can you please cancel it?

ASSISTANT: Sure, I will help you. Please wait, let me check your reservation status in our database.

USER: Ok.

ASSISTANT: Can you please tell me your name?

USER: Ryan White here.

ASSISTANT: Ryan White, please wait for a while.

USER: Ok.

ASSISTANT: Sorry, I did not find any reservation under your name in our database.

USER: No problem, Thanks for the information.

ASSISTANT: You are welcome and thank you for contacting us.