You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Help me in booking a flight from DEN to LAS?

ASSISTANT: Please provide your journey dates?

USER: I like to travel on Aug 22 to 24.

ASSISTANT: Do you have any preferences?

USER: I prefer travelling in single connection flight.

ASSISTANT: May I know your name? Is there any other requirement?

USER: I am Patricia wright. No.

ASSISTANT: Ok. Found ticket with Hawaiian airlines for price 300 having flight number 1014. Shall I book a ticket?

USER: Proceed for booking.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you.