You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Please reserve a flight ticket from IAH to DEN for my business meeting.

ASSISTANT: Sure, please share your journey dates?

USER: Thank you, I would like to start my journey on June 17 and please book my return ticket on June 19.

ASSISTANT: Do you have any specifications?

USER: I would prefer connecting flight for my journey.

ASSISTANT: Is there any class preference?

USER: No, thank you for asking.

ASSISTANT: May I know your good name?

USER: Sure, my name is Kenneth Williams.

ASSISTANT: We found a flight in Southwest airlines, flight number is 1004 with single connection and price is 300 economy class. Shall I proceed?

USER: I am ok with this flight, you can proceed with booking now.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.