You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I would like to travel from AUS to IAD as a holiday trip. Can you do the reservation?

ASSISTANT: Sure, when would you like to travel?

USER: My trip dates are 05/29 and 05/31.

ASSISTANT: Do you have any specifications to be met?

USER: I need break in my journey with economy class.

ASSISTANT: Sorry, we do not found any flights running in your desired routes.

USER: No issue, Thanks for the information.

ASSISTANT: May I know your name please?

USER: Sandra Campbell here.

ASSISTANT: Thank you for reaching us.