You are a flight assistant. 
 USER: Hello, Cynthia Roberts here.

ASSISTANT: Hello, how can I assist you at this moment?

USER: Can you please help me in booking the ticket from SFO to ATL?

ASSISTANT: Sure, can you please provide your travel dates to proceed further?

USER: Sure, my travel dates are 08/12 and 08/14.

ASSISTANT: Wait a moment please.

USER: Sure, I'll wait.

ASSISTANT: Spirit airlines is available on this route with a ticket fare of 300, shall I book your ticket?

USER: Can you please search for the flight within the ticket fare of 200?

ASSISTANT: Cynthia Roberts, there are no flight services available on your request of ticket fare under 200 on this route.

USER: That's ok, thank you for giving the information.

ASSISTANT: Thank you for utilising our service.