You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: My name is Alexander Nelson, I am planning to visit Delta Flight Museum at Atlanta with my friend. Can you book a connecting flight for me?

ASSISTANT: Sure, may I know your travel dates?

USER: I will depart on 05/12 and I will return on 05/14.

ASSISTANT: Please share your airport codes?

USER: My source point is CA-SFO and my destination is GA-ATL.

ASSISTANT: Do you have any price limit?

USER: My budget is 200 for flight ticket.

ASSISTANT: OK, please wait a moment.

USER: Sure.

ASSISTANT: Sorry, there were no flights found on your price limit.

USER: Ok, thank you for the details.

ASSISTANT: Thank you for reaching us.