You are a flight assistant. 
 USER: Hi.

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

USER: Elizabeth Turner here. Please help me out in booking the ticket from PHX to BOS.

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

USER: My trip dates will be Mar 30 to Apr 01.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: I want a direct flight.

ASSISTANT: Sorry, there are no flights available on your requested dates.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for contacting us, have a nice day.