You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Anthony Evans.

ASSISTANT: How can I assist you today?

USER: I need to travel Phoenix, can you please book flight ticket from LAS and PHX?

ASSISTANT: Please share me your travelling dates.

USER: My journey dates are 12/21 and 12/23 with the budget limit 1000.

ASSISTANT: Just give a moment.

USER: Please take your time.

ASSISTANT: There is a flight with AA airline and airfare is 100. Shall I proceed to booking?

USER: Please proceed with the booking.

ASSISTANT: Your ticket is reserved with the flight number 1000.

USER: Thank you for booking my flight ticket.

ASSISTANT: Thanks for reaching us.