You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to book a flight ticket from ORD to DFW for attending a event.

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

USER: My travelling dates are Mar 18 and Mar 20.

ASSISTANT: Do you have any other requirements?

USER: Yes, I prefer to travel in a connecting flight.

ASSISTANT: Can I know your name please?

USER: I am Richard Thomas.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting and we have found a flight in economy class with 1 connection in Frontier airlines and the fare of your flight will be 100. Do you like me to proceed your booking with this flight?

USER: You can proceed with booking.

ASSISTANT: Ok, your ticket is booked with the flight number 1004.

USER: Thank you for your help.

ASSISTANT: Most welcome.