You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Cynthia White.

ASSISTANT: How may I help you?

USER: Could you please help me to book an economy class ticket within the fare limit 1000 to Minneapolis?

ASSISTANT: Let me know your travelling codes?

USER: My source and destination airport codes are PHL and MSP.

ASSISTANT: Can I know your travelling dates?

USER: I intend to start on 05/28 and my return date will be on 05/30.

ASSISTANT: Connecting flight can be booked with airline Southwest for price 100. Shall I book a ticket?

USER: Yes, you can book the ticket.

ASSISTANT: Ticket is booked having flight number 1029.

USER: Thank you for your help in booking.

ASSISTANT: Thanks.