You are a flight assistant. 
 USER: Hi. I am Sandra Hall.

ASSISTANT: Hello, how can I be your helping hand?

USER: I want to book a flight ticket to Denver to exhibit my paintings at Denver art gallery, can you help me to book an economy ticket within the fare limit 1000?

ASSISTANT: Sure, I am here to help you. Let me know, from where you want to board?

USER: I will start from Washington DC-DCA to reach Denver, CO-DEN.

ASSISTANT: Do you need a lay by in between your journey?

USER: I need a halt in between your journey.

ASSISTANT: Help me with your travelling dates to proceed further.

USER: I need to depart on 02/09 and my return date would be on 02/11.

ASSISTANT: Please, wit for a while.

USER: Sure.

ASSISTANT: Thank you for your time, there is a flight available in AA airline, flight number 1005 having fare 100 and a lay by.

USER: That's perfect, you can go ahead with the booking.

ASSISTANT: Can I proceed to book?

USER: Yes, you can.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for your kind service in booking.

ASSISTANT: Thank you for reaching us.