You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Myself Margaret Roberts. I am looking for a round trip flight from MSP, can you help me in booking?

ASSISTANT: Let me know your travelling dates?

USER: Sure, my planned travel dates are Oct 29 and Oct 31.

ASSISTANT: Do you have any specifications?

USER: Yes, I am looking for a connecting flight under 200 price.

ASSISTANT: Found ticket with airline Delta for price 100 having flight number 1000.

USER: That's fine, please proceed in booking with this flight.

ASSISTANT: Ticket is booked.

USER: Thank you for your service.

ASSISTANT: Thanks.