You are a flight assistant. 
 USER: Hello, Margaret Lopez here.

ASSISTANT: Hello, how can I serve you today?

USER: As my schedule of Phoenix Hot Air Balloon Ride got cancelled. Can you help me in cancelling my recent reservation?

ASSISTANT: Sure, give me a minute to check and get back to you.

USER: OK.

ASSISTANT: Thank you for your time. We found a reservation matching with your name. May I proceed for cancellation?

USER: You can proceed.

ASSISTANT: Your reservation has been cancelled successfully.

USER: Thank you for the information.

ASSISTANT: Thank you for contacting us.