You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: I'm Deborah Parker. I am planning to attend music concert at Boston, can you please help me with booking a flight ticket?

ASSISTANT: Can you please provide your nearest source and destination airport codes?

USER: My source airport code is PHX and destination airport code is BOS.

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: Sure, I would like to take off on 06/21 and return back on 06/23.

ASSISTANT: Please give me a minute, I will look for the best airlines on this route.

USER: Ok, but please make sure that the price limit does not exceed 200.

ASSISTANT: I found a flight with flight number 1015 with price 100 and connection limit is 1, would you like me to proceed with the booking?

USER: Yes, please proceed with the booking.

ASSISTANT: Your booking is confirmed with Delta airlines.

USER: I appreciate your help, thank you.

ASSISTANT: You are welcome. Thank you for reaching us.

USER: You are welcome.