You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I help you?

USER: Can you please help me in booking my flight ticket from IAD to DEN?

ASSISTANT: Sure, can you please mention your departure and arrival dates of your journey?

USER: My planned travel dates are Dec 22-24.

ASSISTANT: Do you need any layover in between  journey?

USER: I prefer to fly in connected flight.

ASSISTANT: Is there any other specifications regarding your journey?

USER: No.

ASSISTANT: May I know your name for the documentation process?

USER: Shirley Taylor is my name.

ASSISTANT: Here, I found a flight-1021 for you in AA airlines with direct flight in economy class and it costs you 200. Can I proceed?

USER: Ok, please go ahead.

ASSISTANT: Your booking is confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.