You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Ronald Hill here, I want to reserve my ticket from SFO to DCA, can you please help me?

ASSISTANT: Ok, I will help you with that. May I know your travel dates?

USER: Sure, my preferable dates of journey is from 04/27 to 04/29. Please make sure that the connections limit is 1.

ASSISTANT: Sorry, there are no flights available with the connection limit 1.

USER: Ok, no problem. Anyways, thank you for your service.

ASSISTANT: Thank you for availing our agency.