You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. May I know your name please?

USER: I am Mary Martinez.

ASSISTANT: By what way may I help you now?

USER: I am planning to go for Winery tour along with my friends.So, can you help me in booking a flight ticket from Minneapolis & St.paul, MSP?

ASSISTANT: Ok. Let me know your departure point.

USER: My landing point is Seattle, SEA.

ASSISTANT: How much you can afford  for booking a flight ticket?

USER: I can afford up to 500.

ASSISTANT: Help me with your return date of journey.

USER: I would like to return on 03/18.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need a lay by.

ASSISTANT: Kindly mention your starting date of journey. Please standby.

USER: I intend to start on 03/16. Ok.

ASSISTANT: Unfortunately, we have no flights that matches with your data.

USER: It's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for picking us, have a good day.