You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Kenneth Young.

ASSISTANT: Young, how may I assist you at this moment?

USER: I am planning to visit Botanic Garden at Denver, could you please help me with booking a flight ticket?

ASSISTANT: Sure, I will help you with that, please share your airport codes?

USER: My nearest source airport code is IAD and destination airport code is DEN.

ASSISTANT: Ok, can you help me with your travelling dates to proceed further?

USER: I would like to take off on 12/11 and return on 12/13.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Young, I found a flight that Delta airline with connection 1 price 100 as per your details, can I proceed to booking?

USER: Please proceed with the booking.

ASSISTANT: Your ticket is confirmed by flight number 1001.

USER: Thank you for your service.

ASSISTANT: My pleasure, I hope you will enjoy this airline.