You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Samantha Harris.

ASSISTANT: How can I aid you today?

USER: Can you book a ticket from DFW to ATL, for attending a function at home.

ASSISTANT: Sure, may I know your travelling dates?

USER: Ok, my journey starts at 04/12 and return back on 04/14.

ASSISTANT: Please wait for a minute.

USER: Ok, take your time.

ASSISTANT: I found a flight with the price of 300 and 1 connection limit. Shall I proceed to booking?

USER: Price should not exceed than 200.

ASSISTANT: Sorry, no flights are available with your price limit.

USER: It's ok, thanks for your information.

ASSISTANT: Thank you for reaching us.