You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I need a help from you, to cancel my recent reservation. Can you aid me?

ASSISTANT: Sure, I am here to assist you. May I know your name?

USER: Thank you for taking my request. Please check the ticket under the name Dorothy Brown.

ASSISTANT: Thank you. Please wait for a while. Let me check your reservation status in our database.

USER: Sure, I will wait for your response.

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

USER: That's fine, no issue. Anyway thank you for checking.

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