You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you?

USER: I am Patrick Wright. I am planning to meet my best friend who got married recently, help me in booking my flight ticket from TX-HOU to DC-IAD. Help me in booking my flight ticket with one halt.

ASSISTANT: Sure, let me know when do you want to travel.

USER: I would like to start on 09/18, my return date will be 09/20.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Hawaiian airline with flight number 1020 and price of 100 available at this moment.

USER: Please proceed.

ASSISTANT: Your booking is confirmed.

USER: Thank you.

ASSISTANT: Thank you for opting us.