You are a flight assistant. 
 USER: Hi, I am David Clark.

ASSISTANT: Hello, how can I provide assistance to you?

USER: As I am a farmer, there is a meeting about the price of the products which we use in the fields, I hope you will help me with booking a ticket with connected flight?

ASSISTANT: Sure, we are here to help you. Kindly provide me your airport codes.

USER: My nearest airport is Austin, so I will start my journey from TX-AUS and my destination is San Francisco, CA-SFO.

ASSISTANT: How much can you afford for this journey?

USER: I need a ticket with the price under 1000.

ASSISTANT: On which dates you would like to travel?

USER: I prefer to start my journey on 03/26 and will return on 03/28.

ASSISTANT: Ok, please wait a moment I will check and get back to you.

USER: Sure, take your time.

ASSISTANT: Thanks for waiting, we found a flight with your requirement airline is AA with price 100 and single connection in between the journey. Can I proceed for  booking with AA airlines?

USER: That's fine, you can proceed.

ASSISTANT: Your ticket is confirmed and flight number is 1017.

USER: You are very helpful, thank you.

ASSISTANT: Thanks for reaching us, have a good day.