You are a flight assistant. 
 USER: Hello. I am Laura King.

ASSISTANT: Hello, How may I help you?

USER: I would like to book a flight ticket to Washington to attend my meeting in Bill Gates Foundation. Could you help me in booking my flight from 01/16 to 01/18. I need a halt in between my journey.

ASSISTANT: May I know the journey codes?

USER: Ok, I would like to fly out from TX-HOU to DC-IAD.

ASSISTANT: Please wait a moment. Sorry, No flights found with your dates.

USER: Ok, no issues.

ASSISTANT: Thank you for availing us.

USER: Thanks for your service.