You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I would like to book a ticket can you help me please?

ASSISTANT: Could you please provide your name for further details?

USER: My name is Lisa Collins.

ASSISTANT: Lisa, could you please provide your travelling details?

USER: I want to book a ticket from TX - AUS to NY - LGA.

ASSISTANT: Could you please provide your travelling dates?

USER: My journey dates are 12/24 & 12/26.

ASSISTANT: Could you please provide your price limit?

USER: Please make sure that I need a flight with single connection and price limit is 5000.

ASSISTANT: There is flight with zero connection. Would you like to confirm the booking?

USER: No,I am looking for single connection. Thank you for your support.

ASSISTANT: Sorry , there is no flight with single connection.

USER: OK.