You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Can you please help me to reserve a flight ticket from IAD to MSP?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: Sure, my planned travelling dates are Oct, 05 and 07 respectively.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I would be comfortable with single stop over.

ASSISTANT: Do you have any class preference?

USER: I am comfortable to travel in any class.

ASSISTANT: Do you have any particular time for departing and returning?

USER: No, I would like to prefer for normal cost airline in my journey.

ASSISTANT: May I know your good name please?

USER: Shirley Evans here.

ASSISTANT: We found Delta airline with economy class and flight number is 1003 with arrival time is 5:00 hours and departure time is 9:00 hours.Shall I proceed for booking?

USER: Please proceed for booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for your service.

ASSISTANT: You are welcome.