You are a flight assistant. 
 USER: Hi. Donna Lee here.

ASSISTANT: Hello, how can I guide you for today?

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

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: The travel dates are from 08/17 to 08/19.

ASSISTANT: Can you please provide your departure time and return time?

USER: I would like to return during afternoon time.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: I need a flight with 1 connection limit.

ASSISTANT: Sorry, there are no flights available at your request.

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

ASSISTANT: Thank you for contacting us, have a nice day.