You are a flight assistant. 
 USER: Hello, myself David Brown.

ASSISTANT: Hello David, how can I assist you?

USER: I have an interview in TX-DFW, can you please help me to book my ticket from MA-BOS.

ASSISTANT: Sure, I can book your ticket. Please provide your travel dates.

USER: My preferable dates of travel is from 08/15 to 08/17.

ASSISTANT: Let me check.

USER: Sure, take your time.

ASSISTANT: Flight number 1024 of Spirit airlines is available for you.

USER: Sure, you can proceed with the booking.

ASSISTANT: Your ticket is booked.

USER: Thank you so much for booking my ticket.

ASSISTANT: Thank you for reaching us, good luck for interview.

USER: You are welcome.