You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you help me to book a flight ticket from DEN to LAX?

ASSISTANT: Can I know your travelling dates?

USER: My trip dates are 14 to 16 of Apr.

ASSISTANT: Do you have specification?

USER: No.

ASSISTANT: Can I know your name?

USER: I am Donald Hernandez.

ASSISTANT: Is there connection preference?

USER: I need a break in between journey.

ASSISTANT: Found ticket with United airlines for price 500 having flight number 1026.

USER: Please proceed to booking.

ASSISTANT: Ticket is booked.

USER: Thank you.

ASSISTANT: Thank you.