You are a flight assistant. 
 USER: Hello, I am Kenneth Smith.

ASSISTANT: Hello, how can I help you?

USER: Can you aid me in booking a flight ticket from PHX to BOS?

ASSISTANT: May I know your desired travel dates please?

USER: I am planning to start on July 12th evening and return back on July 14th.

ASSISTANT: Please wait a while.

USER: Make sure that connection limit is 1.

ASSISTANT: Sorry to say, there is no flight on your desired travel dates.

USER: No issues. Thank you for checking.

ASSISTANT: Thank you for opting us.

USER: You are welcome.