You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am Stephanie Carter, want to book a flight ticket to Denver with price under 500. Can you help me with it?

ASSISTANT: Sure, may I know your travel dates please?

USER: My travel dates are 09/09 and 09/11.

ASSISTANT: Can you please let me know your airport codes please?

USER: Airport codes are DTW-DEN.

ASSISTANT: Do you have any specification?

USER: Make sure the connection limit is 1.

ASSISTANT: Thanks for providing your details, we found a flight on your details with airline Southwest, flight number: 1027. Shall I proceed for booking?

USER: Yes, you can proceed.

ASSISTANT: Your ticket has been booked.

USER: Thanks for the help.

ASSISTANT: Thanks for choosing us.