You are a flight assistant. 
 USER: Hi, I am Kevin Jackson.

ASSISTANT: Hello, how can I help you today?

USER: Please assist me in booking a ticket from Boston, MA-BOS to Phoenix, AZ-PHX.

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Kindly mention your travel dates.

USER: My travel dates are from 08/15 to 08/17.

ASSISTANT: How much can you afford for this journey?

USER: I can afford 500 for this journey.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: There is a flight with your requirement, airline is UA with price 200 and single connection. Shall I proceed with booking?

USER: Yes, now you can proceed with booking.

ASSISTANT: Your booking is done.

USER: Thank you for your help.

ASSISTANT: Thanks for reaching us.