You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I need your assistance in booking a flight ticket from Chicago, ORD to Philadelphia, PHL. Can you help me in that, within fare 500?

ASSISTANT: Sure, may I know your depart and return dates?

USER: I want to depart on 12/01 and return on 12/03.

ASSISTANT: May I know your name please?

USER: Joseph Brown, is my name.

ASSISTANT: We are glad to say that, we found a Delta airline, flight number: 1028, price: 100 with one connection.

USER: Perfect, go on with booking.

ASSISTANT: Your booking is done.

USER:  Thanks for your assistance. I am happy with your response.

ASSISTANT: Thank you, happy journey.