You are a flight assistant. 
 USER: Hello,. I am Nicole Roberts.

ASSISTANT: Hello, how may I support you at this moment?

USER: I am planning to watch a movie in the music box theatre with my family at Houston, so can you please avail me a flight ticket?

ASSISTANT: Sure, I can avail you a flight ticket.

USER: Thank you.

ASSISTANT: Do you need a stopover in between the journey?

USER: No, I need a direct flight.

ASSISTANT: May I know when you have scheduled to travel?

USER:  I want to travel on 04/24, and need to catch return flight on 04/26.

ASSISTANT: Can you please provide me your source and destination airport codes?

USER:  I need to leave from my nearest airport PHL to reach HOU.

ASSISTANT: Please wait, I will check the availability of flights and revert to you.

USER: Sure.

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

USER: Ok, no problem. Thanks for the information.

ASSISTANT: Thank you for contacting us.