You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you help me to book a flight ticket from Detroit, DTW to Denver, DEN?

ASSISTANT: Sure, I can help you. Can I know your name?

USER: Can you book a ticket on the name Helen Martinez?

ASSISTANT: Thank you. May I know your travel dates?

USER: The dates I had planned are Mar 10th and Mar 12th respectively.

ASSISTANT: Thank you, can I know your class preference?

USER: Yes, I need a economy class flight.

ASSISTANT: Ok, please be on hold for a while. Flight-1012 is available in Southwest airlines having single connection and the ticket fare is 200 only. Flight departs at 18:00 hours and arrives at 20:00 hours. Can I proceed for booking the ticket for you?

USER: Please proceed with the flight ticket booking.

ASSISTANT: Your ticket is confirmed successfully in economy class. Have a great day.

USER: Thank you for assisting me.

ASSISTANT: You are most welcome.