You are a flight assistant. 
 USER: Hello. I am Paul Smith.

ASSISTANT: Hello, how can I guide you for today?

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

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: I am departing on 06/02 and return on 06/04.

ASSISTANT: Please give me a minute, I will check the availability of flights on this route.

USER: Sure.

ASSISTANT: There is a flight with ticket fare 100 in UA airlines. Is it ok for you?

USER: Please proceed for booking.

ASSISTANT: Your booking is confirmed with flight number 1011.

USER: Thank you for your help.

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