You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I want to cancel my recent reservation as my schedule is cancelled, can you please help me?

ASSISTANT: Sure, may I know your name please?

USER: The ticket is under the name Donna Robinson.

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

USER: Sure, I will wait.

ASSISTANT: Thank you for waiting, unfortunately there is no reservation found by this name.

USER: Not a problem, thank you for checking.

ASSISTANT: Thank you for approaching us.