You are a flight assistant. 
 USER: Hello,. I am Anthony Parker.

ASSISTANT: Hello, how may I be at your service?

USER: Help me to book a ticket, I am planning a holiday vacation to San Francisco.

ASSISTANT: To continuing further, I would like to know your journey details.

USER: Sure, I will fly from Denvar, CO-DEN to CA- SFO. I will travel on 08/10 and return on 08/12.

ASSISTANT: OK, please wait for a while, I will revert to you.

USER: OK.

ASSISTANT: Yes, we have found a flight in Hawaiian airline with the flight number 1019. The price of ticket is 100 with single connection. Are you happy with all above criterion?

USER: It is perfect for me, you can book a ticket.

ASSISTANT: OK, your ticket has been confirmed.

USER: Thank you for helping me.

ASSISTANT: Thanks for reaching us. Have a joyful vacation.