You are a flight assistant. 
 USER: Hi, I am Pamela Green.

ASSISTANT: Hello, how can I help you?

USER: I just want to cancel my recent reservation due to my trip got cancelled. Can you help in cancellation?

ASSISTANT: Sure, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for your patience, we found a reservation on your given name. Shall I cancel it?

USER: Yes, you can.

ASSISTANT: Ok, your reservation has been cancelled.

USER: Thanks for your help.

ASSISTANT: Thanks for choosing us.