You are a flight assistant. 
 USER: Hello. My name is James Lee.

ASSISTANT: Hello. How may I guide you James?

USER: I want to visit my brother in Phoenix, could you help me in booking the ticket?

ASSISTANT: Sure, please provide the details of travel?

USER: It's from BOS to PHX. The dates of travel are from 03/21 to 03/23. Please make sure there is a minimum of 1 connection.

ASSISTANT: Sorry, there are no flights available with 1 connection.

USER: That's ok. Thank you for your time.

ASSISTANT: Thank you, have a good day.