You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: My name is Patrick Hernandez.

ASSISTANT: How can I help you Patrick Hernandez?

USER:  I am having sudden meeting in my office, can you please help me cancel my reservation?

ASSISTANT: Sure, I will help you with this.

USER: Thank you.

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

USER: Not an issue, thanks a lot.

ASSISTANT: Thank you for contacting us.

USER: Welcome.