You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Larry Allen here.

ASSISTANT: How can I help you now?

USER: I want to reserve my ticket from OAK to ATL, can you please help me out?

ASSISTANT: Sure, can you please mention the travelling dates of your journey?

USER: Ok, my preferable dates of journey is from 04/23 to 04/25.

ASSISTANT: Ok, please wait for a while.

USER: Sure, but please make sure that the connections limit is 1.

ASSISTANT: Sorry Allen, there are no flights found on your requested dates.

USER: That's fine.

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

USER: Thank you for your service in providing such information.