You are a flight assistant. 
 USER: Hi. I am Katherine Scott.

ASSISTANT: Hello, how may I aid you today?

USER: I am heading to New York from DFW to attend my sister's engagement. So can you help me book a connecting flight?

ASSISTANT: May I know the price limit?

USER: As my budget is low, I need a flight with fare 200.

ASSISTANT: Please mention when you want to travel?

USER: I will fly on 09/26 to 09/28.

ASSISTANT: Could you please provide your airport abbreviates?

USER: I will start from DFW and end at EWR.

ASSISTANT: Thank you for your valuable details. We found flight a flight 1019 with price 100 and it is single connection flight.

USER: That's great, proceed with booking.

ASSISTANT: Your ticket has been confirmed with AA airlines.

USER: Thank you for booking.

ASSISTANT: Thank you for availing with us,.