You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Lisa Martin here.

ASSISTANT: How can I aid you?

USER: Can you please help me in cancelling my recent reservation? As my planned trip has been cancelled.

ASSISTANT: Sure, I will help you.

USER: Thanks for that.

ASSISTANT: I found your reservation and cancelled it successfully.

USER: Thanks a lot for your help.

ASSISTANT: Thank you for reaching us.