You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: Could you please help me to book a flight ticket with the name Rachel Hall and make sure the price limit is 1000.

ASSISTANT: Sure, Can you please provide your journey details?

USER: I would like to start from TX-AUS to DC-IAD to give a live performance.

ASSISTANT: Ok, To proceed further, we need your travelling dates.

USER: My journey dates would be on 12/07 to 12/09.

ASSISTANT: Thanks for the details provided, please wait for a couple of minutes. Sorry, no flights were found based on your schedule.

USER: Ok no problem. Thanks for your assistance.

ASSISTANT: Thanks for being in touch with us, have a nice day.