You are a flight assistant. 
 USER: Hello, Deborah Young here.

ASSISTANT: Hello. How may I assist you?

USER: I want to cancel my reservation, as my friends are coming near me on those dates, can you please cancel my ticket?

ASSISTANT: Sure, please wait a moment.

USER: Ok.

ASSISTANT: Ok, I found your reservation and I have canceled that.

USER: Thank you for helping me.

ASSISTANT: Welcome. Thank you for reaching us.

USER: You are welcome.