You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I want to visit New York for extending my business, can you book a ticket for me?

ASSISTANT: Sure, let me know your travel dates?

USER: My planned dates are 01/26 and 01/28.

ASSISTANT: May I know your travel airport codes?

USER: I want to fly from IAH to JFK.

ASSISTANT: May I know your name for booking the ticket?

USER: Myself Sharon Lopez.

ASSISTANT: Sorry Sharon, I couldn't find any reservation on your name.

USER: No problem.

ASSISTANT: Thank you.

USER: Welcome.