You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you today?

USER: Can you please help me to cancel my previous reservation?

ASSISTANT: Sure, I am here to help you. Please let me know your name.

USER: My name is George Young.

ASSISTANT: Ok, please wait a moment I'll check the reservation list.

USER: Sure, I will wait for your response.

ASSISTANT: Thank you for waiting, sorry to inform you that there is no reservation found by this name.

USER: It's ok, not a problem with that. Thanks a lot for checking my ticket status.

ASSISTANT: Thank you for approaching us.