You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to go for a vacation to my grand mother home, could you help me in booking a ticket?

ASSISTANT: Could you please provide your travelling dates?

USER: My airport codes would from HOU on 03/26, and return will be from AUS on 03/28. Make sure that connection limit should be 1, and within price 500.

ASSISTANT: Sorry, there is no flight with zero connection, would you like to proceed?

USER: Ok.

ASSISTANT: Could you please provide your name?

USER: Scott Jackson here. Thank you for your help.

ASSISTANT: You are welcome.