You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Brandon Roberts.

ASSISTANT: How may I help you today?

USER: Can you help me booking ticket from DEN to EWR?

ASSISTANT: Please share your travel dates.

USER: Sure, my travelling dates are 10/25 and 10/27.

ASSISTANT: Based on your request, there is a flight with airline Spirit.

USER: Ok, please proceed with booking.

ASSISTANT: Your ticket has been booked with your name.

USER: Thank you for your assistance.

ASSISTANT: Welcome, have a safe journey.