You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me in booking a flight ticket from IAD to LAS?

ASSISTANT: Sure, On which dates would you like me to book a flight ticket for you?

USER: I want to fly on Dec 05 and return on Dec 07.

ASSISTANT: On what name, do I need to reserve your ticket?

USER: Alexander Davis.

ASSISTANT: Let me know your connection limit?

USER: I need a single connection.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: We found 1025 Hawaiian airlines with single connection with economy class.

USER: You can proceed to booking.

ASSISTANT: Your ticket has been reserved with price 100.

USER: Thank you.

ASSISTANT: Thank you for choosing us.