You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Due to some urgent meeting, I am planning to cancel my recent reservation. Can you please help me for this?

ASSISTANT: Sure, I can help you. May I know your name?

USER: Myself Timothy Campbell.

ASSISTANT: Thank you. Please be on hold for a while.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry, there is no reservation found under your name in our database.

USER: Not a big problem, anyhow thank you very much for your kind information.

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