You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I render you today?

USER: I am Linda Turner. I want to book a flight ticket from NC - CLT to TX - AUS to shoot a movie in Austin.

ASSISTANT: Ok. When are you willing to travel?

USER: I would like to start on 06/27, return on 06/29.

ASSISTANT: Do you have any other specifications?

USER: My price limit is 200.

ASSISTANT: Thanks for sharing your details. There is no flight found to your route on your specified dates of travel.

USER: No problem, thank you for your service.

ASSISTANT: Thank you for reaching us, have a nice day.