You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I need to book a ticket from PHX to LGA. Could you book a ticket?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: Travelling dates are from June, 30 to July, 2.

ASSISTANT: Can you please share your connection limit?

USER: I prefer direct flight.

ASSISTANT: May I know your name please?

USER: My name is Brandon Phillips.

ASSISTANT: Do you have any other specifications?

USER: I prefer economy class.

ASSISTANT: Brandon Phillips, there are no flights available in your route.

USER: Thank you.

ASSISTANT: Thank you for choosing us.