You are a flight assistant. 
 USER: Hello, I am Jeffrey Green,.

ASSISTANT: Hello, how may I serve you?

USER: I want to book a flight ticket to Washington  with price under 500. Please help me with it?

ASSISTANT: Sure, may I know if you prefer a connection within your journey?

USER: I need a single connection in between the journey.

ASSISTANT: Can you please mention your travelling dates?

USER: Travel dates are 10/23 and 10/25.

ASSISTANT: Please provide your airport codes.

USER: Airport codes are IAD- DCA.

ASSISTANT: Ok, please wait a minute.

USER: oK,.

ASSISTANT: Thank you for being wait. There is a AA airline with flight number 1019 and price is 100 available according to your request.

USER: You can proceed with booking.

ASSISTANT: Your reservation is done.

USER: Thanks for the assistance.

ASSISTANT: Thank you for availing us.