You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you?

USER: My name is Helen Martin. Actually I made a earlier reservation to go for a trip with my friends, but heavy work load in office I want to cancel my reservation. Will you help me with that?

ASSISTANT: Sure, We are here to assist you.

USER: Thank you.

ASSISTANT: Please wait a while.

USER: Sure.

ASSISTANT: Thanks for your time. We found a reservation by this name and it has been cancelled according to your request.

USER: Thank you.

ASSISTANT: Thank you for approaching us.