You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Could you help in cancelling the recent reservation?

ASSISTANT: Sure, could you please provide your details?

USER: Yes, my name is Patrica Lopez.

ASSISTANT: OK Lopez, wait a moment to check it.

USER: OK,sure.

ASSISTANT: Thank you for being on hold Patrica, sorry , we could not found any recent ticket reservation based on your name.

USER: OK,thank you.

ASSISTANT: Thank you, and have a great day Patrica.