You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Gregory Miller, can you help me to book a afternoon flight from PHX?

ASSISTANT: I am here to help you, where you want to travel?

USER: Please book a flight to LGA.

ASSISTANT: Ok, please provide your travelling dates to get a flight for you?

USER: My travelling dates are Apr 26 and 28.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Sorry, there is no flight running on your route with your preferences.

USER: No issues, thank you for your time.

ASSISTANT: Thanks for choosing us.