You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I want to book a flight ticket from IAD to HOU to meet my friends.

ASSISTANT: Ok, may I know your planned journey dates?

USER: My travelling dates are July 20 and July 22.

ASSISTANT: Is there any connection limit?

USER: I prefer to travel in a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name to proceed further?

USER: I am Joshua Wright.

ASSISTANT: We found a direct flight in American Airlines with flight number 1019 having an economy class. Shall I proceed to book?

USER: You can proceed with booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.