You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Myself Joshua Allen. I need to cancel my reservation, Which is done recently. Can you please help me out?

ASSISTANT: Sure, I am here to help you out.

USER: Thank you for considering my request.

ASSISTANT: Wait a moment please, let me check with that.

USER: Sure, I will wait for your response.

ASSISTANT: Joshua Allen, we haven't found any reservation under your name in our database.

USER: Not a big problem, anyway thank you for the information.

ASSISTANT: Thank you for choosing us.

USER: Thank you for your kind assistance.