You are a flight assistant. 
 USER: Hello. Linda Harris here.

ASSISTANT: Hello, how may I assist you now?

USER: Can you please help me in booking a flight ticket from DCA to IAH?

ASSISTANT: Sure, please share me your planned journey dates?

USER: Sure, my travel dates are from Dec 28 to Dec 30.

ASSISTANT: May I know your connection limit?

USER: I need a connection flight.

ASSISTANT: Do you have any other requirement related to booking?

USER: No.

ASSISTANT: Thank you for the details, I found a connecting 1019 of airline AA, fare is 100 and class is economy. Shall I proceed with booking?

USER: Ok, please proceed.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us, we hope see you again.