You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I need to book a flight ticket from PHX to BOS, Can you please help me for booking?

ASSISTANT: Sure, I am here to help you in booking. Can you please share your travel dates?

USER: I would like to travel on 05/01 to return on 05/03.

ASSISTANT: Ok, please mention your name.

USER: Brandon Davis here.

ASSISTANT: Do you have any airline preference?

USER: I need a connecting flight with return time evening.

ASSISTANT: Do you have any specification?

USER: No.

ASSISTANT: Here, I found a direct flight for you in economy class and it costs you 100. Can I proceed?

USER: Ok, proceed for booking.

ASSISTANT: Your booking is done.

USER: Thank you for your information.

ASSISTANT: Thank you for reaching us, have a safe flight.