You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Do you need any help that I can assist you?

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

ASSISTANT: Sure, I can help you with that one. On whose name that previous flight ticket has booked?

USER: The ticket is under the name Anna Thomas.

ASSISTANT: Please give me a moment to check it.

USER: Sure, take your own time.

ASSISTANT: Thank you for your patience, I could not find any reservation on your name in our previous list when I have checked.

USER: No problem, thank you for checking.

ASSISTANT: Thank you for opting us, have a nice day.