You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Sandra Phillips.

ASSISTANT: How may I serve you at this moment?

USER: I want to book a flight ticket to MSP. Can you please assist me for booking from ATL?

ASSISTANT: Sure, provide your travelling dates.

USER: My travelling dates are Jan 29 and 31.

ASSISTANT: Ok, at what time would you like to depart and return?

USER: My return time is afternoon.

ASSISTANT: Do you need any break in between the journey?

USER: I need a stopover.

ASSISTANT: Ok, please wait for few minutes.

USER: Sure.

ASSISTANT: There are no flights found on your requested dates.

USER: Ok, thanks for your service.

ASSISTANT: Thank you for reaching us.