You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Catherine Mitchell here.

ASSISTANT: How can I assist you today?

USER: I want to travel from TX-IAH to GA-ATL, to visit Atlanta beach. Can you please help me to book a ticket?

ASSISTANT: Sure, I can help you with that. Could you please provide your preferable travel dates?

USER: Sure, my preferable dates are from 09/09 to 09/11. My connection limit is 0.

ASSISTANT: Please allow me a moment to check for the availability of flight.

USER: Sure.

ASSISTANT: Your patience is greatly appreciated. Catherine, I am sorry to inform you that there is no flight available at your request.

USER: Ok, no problem.

ASSISTANT: Thank you for contacting us.

USER: You are welcome.