You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Rebecca Miller here.

ASSISTANT: Is there any help that you need from my side?

USER: I would like to book a ticket from OAK to ATL, can you please help me with that?

ASSISTANT: Sure, I am happy to help you with booking and can you please mention your desired travel dates?

USER: The travel dates are from 12/04 to 12/06.

ASSISTANT: Do you have any timings to travel?

USER: I would like to depart during morning time.

ASSISTANT: Please allow me a moment.

USER: I need a flight with 1 connection limit.

ASSISTANT: Sorry to say, there is no flight found on your preferable travel dates to book a ticket.

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