You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Ronald Hall here.

ASSISTANT: Is there any help that you are expecting from my side?

USER: Can you book a flight ticket for my airport codes that is from PHX to BOS?

ASSISTANT: Sure, I can help you and can you please mention your departure and arrival dates of your journey?

USER: My travel dates for the journey are June 24 to June 26.

ASSISTANT: Sure, is there any another specifications on your trip, so that I can book a ticket as per your wish?

USER: I am looking for a single connecting flight.

ASSISTANT: Sorry, there is no flight found with your requirement.

USER: Ok, not a problem. Thank you.

ASSISTANT: Welcome.