You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: I am Benjamin Robinson. I would like to book a flight ticket from DCA to LAS, can you please help me to book a flight ticket?

ASSISTANT: Sure, I am here to help you. When you are willing to travel?

USER: Sure, my travel dates are Apr 22 and Apr 24.

ASSISTANT: Please wait for a moment.

USER: Sure, take your own time.

ASSISTANT: We found 1026 Spirit airlines with 2 connection with price 100. Shall I proceed with the booking?

USER: Ok, please book.

ASSISTANT: Your, booking has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.