You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Ronald Garcia here, I would like to travel from OAK to CLT. Can you please help me to book a ticket?

ASSISTANT: Sure, kindly help me with your journey dates?

USER: My journey dates will be on 12/18 to 12/20.

ASSISTANT: May I know your connection limit?

USER: I need single connection.

ASSISTANT: Sorry, we have a direct flight to your destination.

USER: Ok, do not proceed. Thank you.

ASSISTANT: Ok, thank you.