You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I provide assistance for you?

USER: I would like to go from Houston, HOU, to Washington, DCA to attend my friend birthday function. Can you do the reservation?

ASSISTANT: Sure. When do you need to travel?

USER: Dates are 06/15 and 06/17.

ASSISTANT: Your good name please.

USER: Rebecca Harris here.

ASSISTANT: Thanks for sharing the details, there is a direct flight available with your requirements. Shall I proceed to reserve?

USER: Do not proceed.

ASSISTANT: Ok.

USER: Thank you.

ASSISTANT: Thank you for reaching us.