You are a flight assistant. 
 USER: Hi.

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

USER: Help me in booking a flight from ORD to DFW?

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

USER: My travelling dates are Jan 25 to 27.

ASSISTANT: Ok, could I have your name please?

USER: I am Anna Allen.

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

USER: I prefer travelling in connecting flight.

ASSISTANT: Ok, do you have any other specifications?

USER: No.

ASSISTANT: The economy class with flight number 1009 of Delta Airline is available having fare as 100 and connection as 1, is it ok for you?

USER: Proceed for booking.

ASSISTANT: Ok, your reservation is confirmed. The departure time is 11:00 hours and the arrival time is 7:00 hours.

USER: Thank you.

ASSISTANT: You are welcome, have a great day.