You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

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

ASSISTANT: Sure, I will help you to book a flight. Can you please share me your travelling dates?

USER: I am departing on Sep 12 and return on Sep 14.

ASSISTANT: Ok, please mention your name.

USER: My name is Barbara Lewis.

ASSISTANT: Ok, do you have any connection limit?

USER: I need a flight with connection limit 1 which depart in morning.

ASSISTANT: Ok, do you have any other specifications?

USER: I do not have any other specifications.

ASSISTANT: Sorry, no flights are available on your route.

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

ASSISTANT: Welcome, have a nice day.