You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. What can I do for you today?

USER: I want to book a ticket from IAD to ATL, can you help me?

ASSISTANT: Sure, please share your travelling dates.

USER: My travel dates are Aug 25 and 27.

ASSISTANT: Ok, may I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any airline preference?

USER: I want to travel in normal cost airline.

ASSISTANT: Do you have nay other requirements?

USER: No.

ASSISTANT: May I know your good name please?

USER: I am Katherine Jones.

ASSISTANT: We found a Delta airline with fare of 200 and a single connection matches your schedule.

USER: You can book it.

ASSISTANT: Your ticket has been confirmed with flight number 1018.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.