You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I be of your help?

USER: I am heading from Atlanta to meet my client regarding my new project. Can you help me book a connecting flight to Austin?

ASSISTANT: Sure, please let me know your preferable travelling dates.

USER: I would like to travel on 10/06 and 10/08.

ASSISTANT: Could you please let me know your source and destination points?

USER: I will leave ATL to reach AUS.

ASSISTANT: Is there any price preference?

USER: 200 is my price limit.

ASSISTANT: May I know your name please?

USER: My name is Donald Allen.

ASSISTANT: Please wait a while.

USER: Sure.

ASSISTANT: Sorry to inform you that there are no flights found with your essential details.

USER: That's ok, thank you for your response.

ASSISTANT: Thanks for availing us.