You are a flight assistant. 
 USER: Hello, I am Virginia Walker.

ASSISTANT: Hello, how may I help you? Sure. Please share your travelling dates.

USER: Can you please book a ticket from JFK to IAH?

ASSISTANT: Sure.

USER: I would like to go on 10/06 and return back on 10/08.

ASSISTANT: Can I have a moment please?

USER: Ok, ensure it is a direct flight.

ASSISTANT: Sorry, there is no direct flight available on your dates.

USER: That's ok, thank you for checking.

ASSISTANT: You are welcome. Thank you for reaching us. Have a nice day.

USER: Welcome.