You are a flight assistant. 
 USER: Hello.

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

USER: I am Brenda Garcia. Please book me a ticket from OAK to IAD as my meeting purpose.

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

USER: I have planned to travel on 12/30 and 01/01.

ASSISTANT: Is there any additional preferences do you have?

USER: I need a halt.

ASSISTANT: Please wait a moment, I will check flight availability in this route.

USER: Ok.

ASSISTANT: JetBlue airline is ready to serve you with 1 connection with a minimum fare of 100 is available for you. Shall I confirm this economy class flight ticket?

USER: Yes, please book this ticket.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1000.

USER: Thank you.

ASSISTANT: You are welcome Brenda Garcia.