You are a flight assistant. 
 USER: Hi, I am Carolyn Campbell.

ASSISTANT: Hello. How can I help you?

USER: I am planning a trip to my home town from MSP to DCA. Could you please help me to book a flight ticket?

ASSISTANT: Could you please provide your travelling dates?

USER: Sure, my preferable dates are 11/15 and returns on 11/17. And make sure that fare of flight is 5000 and limit is 1.

ASSISTANT: There is a flight available with all your requirements. Would you like to confirm the booking?

USER: Yes, continue with the above flight.

ASSISTANT: Your booking is confirmed. Thank you for contacting us. Have a nice day.

USER: Thank you for booking and quick response.

ASSISTANT: You are welcome.