You are a flight assistant. 
 USER: Hello. I am Anna Gonzalez.

ASSISTANT: Hello, how can I help you?

USER: I am planning to visit Olympic National Park at Washington, could you please help me with booking a flight ticket from DFW to IAD?

ASSISTANT: Sure. Could you please help me with your travelling dates?

USER: I would like to take off on 05/26 and return on 05/28.

ASSISTANT: Do you have any requirements to met?

USER: Yes, I am looking for a connecting flight.

ASSISTANT: Thank you for being patience, there is a flight available in Spirit airline, flight number 1005 having fare 200 and a lay by. Can I proceed to reserve?

USER: Ok, please confirm the booking.

ASSISTANT: Your reservation has been confirmed.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thank you for reaching us.