You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Jessica Hill here.

ASSISTANT: How can I assist you at this moment?

USER: Due to some reason, I am unable to travel. Can you cancel my ticket?

ASSISTANT: Sure, I will help you with this.

USER: Thanks.

ASSISTANT: Jessica Hill, there is no active reservation found under your name in our database.

USER: Ok. Thank you to inform me.

ASSISTANT: Thank you for contacting us.