You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I assist you?

USER: I am Janet Thomas. I want a direct flight. Can you book a ticket with price limit 1000?

ASSISTANT: Sure, Can you provide your airport codes?

USER: My airport codes are from AUS to DFW.

ASSISTANT: please share me your travelling dates.

USER: My journey dates are from 12/13 to 12/15.

ASSISTANT: There is no flight found with your data.

USER: Not an issue.

ASSISTANT: Ok, Thanks for choosing us.

USER: Thank you for your quick reply.