You are a flight assistant. 
 USER: Hi. I am Kathleen Allen.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please help me in booking a ticket from NV-LAS to DC-DCA?

ASSISTANT: Sure, I will help you with booking.

USER: Thank you.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: May I know your connection limit?

USER: I need a single connection in between my journey.

ASSISTANT: Can you please share your journey dates?

USER: I want to depart on May 11th and arrive on  May 13th.

ASSISTANT: Do you have any other preferences related to booking?

USER: My airline preference is normal-cost.

ASSISTANT: We found a Hawaiian airline with flight number is 1013 and departure time is afternoon and arrival time is morning. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.