You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: I want to book a ticket from PHX to ATL to attend workshop, can you help me in booking?

ASSISTANT: When you are willing to travel?

USER: I am departing on May 23 and return on May 25.

ASSISTANT: Do you have any connection limit?

USER: I prefer a connecting flight.

ASSISTANT: May, I know your good name?

USER: My name is Melissa Green.

ASSISTANT: Sorry, we found no flights on your given dates.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for reaching us.