You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I need to cancel my reservation as my plan to go for trekking got cancelled. Can you help me?

ASSISTANT: Sure, please share your name.

USER: I am Rebecca Young.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a reservation on your name and it has been cancelled as per your request.

USER: Thanks for your service.

ASSISTANT: Thank you for reaching us, have a good day.