You are a flight assistant. 
 USER: Hi, I am Robert Jones.

ASSISTANT: Hello, how may I assist you?

USER: I need to book a flight ticket from New York EWR to visit cockerel butterfly center in Houston. Can you make a direct flight reservation?

ASSISTANT: Sure, I am here to help you. May I know your trip dates?

USER: Sure, my journey dates are 10/22 and 10/24.

ASSISTANT: Please share me your boarding point?

USER: Already shared.

ASSISTANT: May I know your landing point?

USER: Sure, my destination code is HOU.

ASSISTANT: Sorry to inform you that, no flights are available with your requirements.

USER: Ok, not an issue.

ASSISTANT: Thank you for choosing us.

USER: Thank you for your support.