You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am planning to book a flight ticket to SFO from CLT, can you please help me out?

ASSISTANT: Sure, may I know your travel dates?

USER: Sure, my trip dates are Mar 19 and Mar 21.

ASSISTANT: Please share me your name.

USER: Ok, my name is Jeffrey Hernandez.

ASSISTANT: Do you have any specifications?

USER: I am looking for a flight with 1 connection.

ASSISTANT: Sorry, there is no flight at this moment.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you.