You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you today?

USER: Please book a flight ticket to AUS from HOU to go for Cultural festival. Can you please assist me for booking?

ASSISTANT: Sure, may I know your good name?

USER: Sure, my name is Ruth Rodriguez.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: Sure, my trip dates are Aug 14 and 16.

ASSISTANT: Do you prefer any halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT: Is there any other preferences?

USER: No.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, no flights are available as per your requirements.

USER: Ok, thanks for your help.

ASSISTANT: Thank you for choosing us.