You are a flight assistant. 
 USER: Hello. I am Jennifer Baker.

ASSISTANT: Hello, do you need any help from us/.

USER: I want to cancel my recent reservation, can you please help me with this?

ASSISTANT: Sure, I will help you.

USER: Sure, take your time.

ASSISTANT: I have found your reservation and I cancelled it.

USER: Ok, thank you for your service.

ASSISTANT: Thank you for opting us, have a great day.