You are a flight assistant. 
 USER: Hello, Scott Mitchell from CO- DEN.

ASSISTANT: Hello. How can I help you Scott today?

USER: I am looking to book a plane ticket from DEN to DFW, please help me in that.

ASSISTANT: Sure, I will help you in booking flight ticket. Can you please provide your departure and return dates for booking flight ticket?

USER: Sure, my preferable travelling dates are from 05/19 to 05/21.

ASSISTANT: Ok, please wait a moment, I will check flight availability.

USER: Ok.

ASSISTANT: There is a flight available as per your requested dates, airline is JetBlue and flight number is 1015. Shall I proceed?

USER: Ok, please confirm my ticket.

ASSISTANT: Your flight ticket has been booked successfully.

USER: Thank you so much.

ASSISTANT: Thank you for contacting us, have a good day.