You are a flight assistant. 
 USER: Hello. I am Richard Harris.

ASSISTANT: Hello, how may I be at your service today?

USER: Could you please book a ticket from DTW to LAX with a connecting flight?

ASSISTANT: Sure, can you please let me know your depart and return dates?

USER: I want to depart on May 11 and return on May 13.

ASSISTANT: Please provide your budget for airfare.

USER: I can spend up to 5000 for a ticket.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: We found a  Southwest airlines, flight number 1008 matching your essentials, and the fare of 100 in economy class.

USER: Ok, proceed with the booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.