You are a flight assistant. 
 USER: Hello, my name is Samantha Smith.

ASSISTANT: Hello. How may I help you Samantha?

USER: I was thinking for travel from IAD to ATL.

ASSISTANT: Sure. Please mention your travel dates.

USER: Sure, they will be 06/16 to 06/18.

ASSISTANT: Please wait a minute Samantha.

USER: Ok.

ASSISTANT: There is a flight with Southwest airlines which is matching with your requirements. Can I proceed for booking?

USER: Can I get a flight with 1 connection and my price limit is 500, can you check this?

ASSISTANT: The connection is 0 which is less than your preferred connection limit. Shall I book the ticket?

USER: Ok, no problem/.

ASSISTANT: Your ticket is confirmed Samantha.

USER: Thanks for your service.

ASSISTANT: Thank you for reaching us.