You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Kenneth Lee here.

ASSISTANT: In which way I can aid you at this moment?

USER: I want to reserve my ticket from CLT to DCA, can you please help me to book a ticket?

ASSISTANT: Sure, I will aid you with that. Can you please mention your preferable travel dates?

USER: Sure, my planned dates of travel are from 05/20 to 05/22.

ASSISTANT: Please give me a moment, I will check flight availability in this route as per your requested dates.

USER: Sure, I will wait.

ASSISTANT: Spirit airline is ready to serve you with 1 connection with a minimum fare of 500 is available for you. Shall I confirm this Business class flight ticket for you?

USER: Ok, please book it.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1006.

USER: Thank you for your help in booking my ticket.

ASSISTANT: You are welcome Kenneth Lee.