You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Sandra Jackson.

ASSISTANT: How can I help you?

USER: Can you help me in booking, as I need to attend my sister wedding?

ASSISTANT: Can you please share your travel dates?

USER: My travelling dates are 03/29 to 03/31.

ASSISTANT: Do you have any other specifications?

USER: I need a stop over flight.

ASSISTANT: Ok, please share your airport codes?

USER: I will fly from PHX and land at DCA.

ASSISTANT: As per your request there is a flight with fare 600 and connection limit 1, shall I proceed for booking?

USER: No, don't book it. As my fare is only 200.

ASSISTANT: Ok, thank you for reaching us.

USER: Thank you for checking.