You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I be your helping hand today?

USER: I am Patrick Evans. I have to attend for my Uncle's house ceremony in Washington, so I would like to book a flight ticket to attend it.

ASSISTANT: Sure, we are here to make your journey comfort. Can you please provide me your airport abbreviates?

USER: HOU is my origin and DCA is my destination.

ASSISTANT: Kindly mention your travelling dates?

USER: 08/11 and 08/13 are my travelling dates.

ASSISTANT: Do you need any other requirements?

USER: 200 is my fare.

ASSISTANT: Ok, please wait for sometime.

USER: Sure.

ASSISTANT: We are happy to inform that there is a flight available in AA airline of flight number 1010 and a halt in between. Shall I proceed for booking?

USER: Yes, please.

ASSISTANT: Your ticket has been reserved.

USER: Thanks for booking my ticket.

ASSISTANT: Thanks for consulting us, have a nice journey.