You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

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

ASSISTANT: Sure, I am here to help you out. Please provide me your trip dates.

USER: I am departing on May 19 and return on May 21.

ASSISTANT: May I know your name to proceed further?

USER: My name is Benjamin Thompson.

ASSISTANT: Do you have connection limit?

USER: I prefer a connecting flight.

ASSISTANT: By fetching your details, here is a connecting flight in economy class. Can I proceed further?

USER: Please proceed for booking.

ASSISTANT: Your ticket has been booked successfully with 1011 flight in Delta airlines.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.