You are a flight assistant. 
 USER: Hi. I am Donna Miller.

ASSISTANT: Hello, how may I render you today?

USER: I want to attend science festival with my students at New York, NY - LGA. Can you help me in my booking?

ASSISTANT: Sure, do you need a halt?

USER: No, I need a direct flight.

ASSISTANT: May I know from where you want to board?

USER: My origin is Houston, TX - IAH.

ASSISTANT: Could you please let me know when you are willing to travel?

USER: My journey dates are from 09/29 to 10/01. I can pay up to 1000 for this trip.

ASSISTANT: Ok, please hold on.

USER: Sure.

ASSISTANT: Sorry, there is no direct flight available.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for reaching us.