You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Mark Williams.

ASSISTANT: How can I assist you for the day?

USER: I want to book a ticket for attending my brother anniversary, hope your helping me on that.

ASSISTANT: Mark Williams, can you share your travel details with me?

USER: My travelling dates are 04/26 to 04/28. Make sure my connection is 1.

ASSISTANT: What are your airport codes?

USER: My airport codes are OAK to LAS.

ASSISTANT: Wait for a moment.

USER: Ok.

ASSISTANT: Found a flight for you by Hawaiian airlines as per your requirements. Shall I proceed?

USER: Book it.

ASSISTANT: Flight 1005 is booked for you. Have a safe journey.

USER: Thank you.

ASSISTANT: Thanks for choosing us.