You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

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

ASSISTANT: Can I know your travelling dates?

USER: Ok, please do the booking for the dates Sept 6 and 8 respectively.

ASSISTANT: Please let me know your name?

USER: My name is Eric Phillips.

ASSISTANT: May I know your connection limit?

USER: Yes, please book a direct flight.

ASSISTANT: Do you have any other preference?

USER: No.

ASSISTANT: Sorry, no flights available on your route.

USER: That is not a problem, thank you for assisting me.

ASSISTANT: Thank you for reaching us.