You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Joshua Campbell.

ASSISTANT: How may I assist you? Nice to meet you Joshua.

USER: I am planning to visit Los Angeles, will you help me in booking the flight ticket from ATL to LAX?

ASSISTANT: Yes, please I will help you with flight ticket booking. Please tell me your travel dates?

USER: My travelling dates are June 28 and June 30.

ASSISTANT: Do you have any connection limit?

USER: I need a flight with single connection.

ASSISTANT: Please wait for a moment.

USER: As, my budget is low I can afford only up to 200. Will you help me with that?

ASSISTANT: Thanks for providing journey details. But I am sorry to inform you that presently there are no flights available with us.

USER: Ok, not an issue.

ASSISTANT: Thank you.

USER: Thank you for your information.