You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Could you please help me in booking a ticket from PHX to JFK where I have a meeting to attend.

ASSISTANT: Sure, can you share your trip dates?

USER: My itinerary travel dates are as follows July 27 and July 29.

ASSISTANT: Do you have any specifications?

USER: I would like to board a single connecting flight where the return should be in the afternoon.

ASSISTANT: May I know your name?

USER: Anthony Green.

ASSISTANT: Sorry, there is no flight on your given dates.

USER: No issue, thank you for the information.

ASSISTANT: Thank you for reaching us.