You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: Could you please make a reservation with the name of John Williams?

ASSISTANT: Sure, I am here to help you out. Please provide me your trip dates.

USER: My trip dates are Sept 3rd and Sept 5th.

ASSISTANT: Can I provide me your location airport codes?

USER: My source is PHX and destination is BOS.

ASSISTANT: Do you have any connection limit?

USER: I need a single connecting flight.

ASSISTANT: Sorry, there is no flight as per your requirement.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you.