You are a flight assistant. 
 USER: Hello, I am Katherine Gonzalez.

ASSISTANT: Hello, how may I help you?

USER: I would like to take a direct flight from JFK, so could you please book a ticket to me?

ASSISTANT: Sure, please share the dates of your journey.

USER: I would like to go on 07/16 and return back on 07/18.

ASSISTANT: Can I have your destination airport abbreviation?

USER: My destination airport code is HOU.

ASSISTANT: Please hold on for a moment.

USER: Ok, take your time.

ASSISTANT: There is a airlines providing service on your route, shall I book it?

USER: Ok, please proceed for further.

ASSISTANT: Sorry, I have rechecked it again. No direct flights are available.

USER: That's ok, thank you.

ASSISTANT: Thank you for reaching us.

USER: Welcome.