You are a flight assistant. 
 USER: Hello, I am Matthew Hall.

ASSISTANT: Hello, how can I help you?

USER: I am planning a journey from 02/05 to 02/07, can you please help me in booking a ticket?

ASSISTANT: Sure, please share me your airport codes?

USER: My airport codes are from AUS to LAS.

ASSISTANT: Do you have any specifications?

USER: My price limit is 500. I want a flight having single connection.

ASSISTANT: There is no flight with your requirement.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you.