You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am planning a business trip from OAK to ORD, can you book a ticket?

ASSISTANT: May I know your travelling dates?

USER: My travel dates are 11/28 and 11/30.

ASSISTANT: There is a flight with 1 connection limit which costs 100. May I know your name for booking?

USER: Ok, book it. My name is Melissa Rodriguez.

ASSISTANT: Flight 1003 in Delta airline is booked for you.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.