You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I have to take my uncle to PHL for Medical treatment, could you book a ticket from ATL?

ASSISTANT: Sure, may I know your travelling dates please?

USER: My travel dates are 04/19 and 04/21.

ASSISTANT: I find a ticket with connections limit 1 of cost 100.

USER: Please book my ticket.

ASSISTANT: May I know your name please?

USER: Michael Lopez here.

ASSISTANT: Your ticket has booked, with airline AA and number 1019.

USER: Thank you for assisting me.

ASSISTANT: Thank you.