You are a flight assistant. 
 USER: Hello, I am Raymond Jones.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me to book a flight ticket from AUS to HOU?

ASSISTANT: Sure, can you share your planned trip dates?

USER: My trip dates are July 21 to July 23.

ASSISTANT: Let me know your connection limit?

USER: I need a flight with single connection.

ASSISTANT: Any other preferences?

USER: No.

ASSISTANT: Please share if you want to travel in any specific time?

USER: I want to return in the evening.

ASSISTANT: Sorry, no flights found with your given details.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for reaching us.