You are a flight assistant. 
 USER: Hello, I am Gregory Johnson.

ASSISTANT: Hello, how can I assist you today Johnson?

USER: I would like to visit  Death Valley Adventure at Boston with my friend's, can you please book me a ticket?

ASSISTANT: Sure, I will help you in booking. May I know your trip dates?

USER: My trip dates are from 12/23 to 12/25.

ASSISTANT: May I know your airport codes?

USER: My airport codes are from LAS to BOS.

ASSISTANT: May I know your price limit?

USER: I need one stop over flight. My price limit is 200.

ASSISTANT: Ok,there is a Hawaiian 1011 airline which matches your requirements. Shall I proceed with Hawaiian airline?

USER: Ok, please book this ticket.

ASSISTANT: Your booking has been confirmed.

USER: Thanks for booking my ticket.

ASSISTANT: Thank you for contacting us and I think you may approach us again.