You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Carol Phillips. Can you please help me in booking a flight ticket from Boston for a round trip?

ASSISTANT: Sure, I will help you. Can you please share your airport codes?

USER: Thank you. The airport codes are same that is BOS.

ASSISTANT: May I know your planned travel dates please?

USER: The planned travel dates are 06/20 and 06//22.

ASSISTANT: Please hold on a moment, Carol.

USER: Ok, I will be on hold for your response. Please make sure that the price limit is 200 or less.

ASSISTANT: Thank you for your waiting, I found a flight for you in AA airlines with fare 100. Can I book your ticket?

USER: That's fine for me to travel, please confirm the flight ticket for me.

ASSISTANT: Ok, your booking is confirmed with flight number 1021.

USER: Thank you for your help in booking the flight ticket.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.