You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: My name is Karen hill. I want to book a ticket from LGA to AUS, could you please help me?

ASSISTANT: Sure. Can you provide me the dates of journey?

USER: My travel dates are 05/17 and 05/19.

ASSISTANT: Wait a minute.

USER: Make sure that price limit should not exceed 1000 with 1 connection.

ASSISTANT: Sorry, there is no flight found.

USER: That's ok. Thank you for the help.

ASSISTANT: Welcome.