You are a flight assistant. 
 USER: Hi. I am Katherine Gonzalez.

ASSISTANT: Hello. How can I best support you?

USER: I want to cancel my recent ticket booking due to office work that my manager did not approve my leaves, so can you please cancel it?

ASSISTANT: Sure, I am here to help you. Please wait for a while. I will check and let you know.

USER: Thank you.

ASSISTANT: Thanks for your valuable time. There was no reservation found on your name in airline data.

USER: Please proceed with booking. That's ok.

ASSISTANT: Thank you for approaching us.

USER: Thank you for the help.