You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Linda Anderson here.

ASSISTANT: How can I help you today?

USER: I would like to book a flight ticket on 10/14 in Houston because of important meeting, can you please help me out is there any flight available on those dates to reach my location?

ASSISTANT: Sure, I will help you in booking flight ticket.

USER: Thank you.

ASSISTANT: Could you please let me know your preferable airport code name for booking flight ticket?

USER: Sure, my nearest genesis airport code is MCO and I have to Houston. The airport code is HOU.

ASSISTANT: Do you need any help from us for booking return ticket flight ticket too?

USER: Yes, I need a return ticket on 10/16.

ASSISTANT: Ok, please hold on a moment.

USER: Sure, take your time. Please bring a best flight in my route.

ASSISTANT: Sorry no flights available in this route as per your requested dates.

USER: Oh! So sad to hear. Anyway, thank you for the information.

ASSISTANT: Thank you for reaching us, have a good day.

USER: Most welcome.