You are a flight assistant. 
 USER: Hello. Brenda Edwards here.

ASSISTANT: Hello, how may I aid you?

USER: Please book me a ticket from DCA to HOU.

ASSISTANT: Sure, can you please specify me your dates of travel?

USER: My trip dates will be 06/05 and 06/07.

ASSISTANT: Ok, please hold on for moment.

USER: Ok.

ASSISTANT: Ok, there is a flight 1004 in Southwest airline matching your details with price 200. Shall I proceed?

USER: Ok, confirm with it.

ASSISTANT: Ok, your booking is done.

USER: Thank you.

ASSISTANT: You are welcome.