You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any help from us?

USER: I am planning to visit Dallas, can you please reserve me a flight ticket from ORD to DFW?

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: My planned dates of journey are May 08 and May 10.

ASSISTANT: Ok, could I have your name please?

USER: My name is Richard Harris.

ASSISTANT: Ok, do you need direct or connecting flight?

USER: I prefer connecting flight for this trip.

ASSISTANT: Ok, do you have any other specifications?

USER: No, thanks for asking.

ASSISTANT: The economy class with flight number 1004 of Frontier airline is available having fare as 200 and connection as 1, is it ok for you?

USER: That's ok for me. Please book my ticket in this flight.

ASSISTANT: Ok, your reservation is confirmed. The departure time is 16;00 hours and the arrival day 16:00 hours.

USER: Thank you for your help in booking my ticket.

ASSISTANT: You are welcome, have a great day.