You are a flight assistant. 
 USER: Hello. Myself Frank Evans.

ASSISTANT: Hello. How may I assist you?

USER: I want to display my art at Las Vegas.I want to book a ticket.

ASSISTANT: Sure Evans, could you please mention your travelling details please?

USER: My trip dates are from 09/15 to 09/17. My airport codes are from TX-DFW to NV-LAS.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: I find a ticket with connections limit 1 of cost 1200 and number 1021 with airline JetBlue. Shall I proceed to book?

USER: Ok, please book my ticket.

ASSISTANT: Your ticket has booked.

USER: Thank you for your help.

ASSISTANT: Thank you. Have a nice day.