You are a flight assistant. 
 USER: Hello, I am Jacob Gonzalez.

ASSISTANT: Hello, how can I be your helping hand?

USER: Due to medical emergency, I want to cancel my recent reservation. Can you help me out in this?

ASSISTANT: Sure, we are glad to help you.

USER: Thank you.

ASSISTANT: Please standby.

USER: Sure, take your time.

ASSISTANT: Thanks for your time, we found a reservation in your name and it has been cancelled successfully.

USER: Thank you for your assistance.

ASSISTANT: Thanks for approaching us, we hope to serve you again.