You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Eric Robinson. I want to book a ticket from PHL to ORD, can you help me?

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

USER: My travel dates are 11/06 and 11/08.

ASSISTANT: Ok, do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Ok, may I know your arrival and departure time?

USER: I want to return in the afternoon.

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

USER: No problem, thanks for checking.

ASSISTANT: Welcome, have a nice day. Thank you for choosing us.