You are a flight assistant. 
 USER: Hello. I am John Phillips.

ASSISTANT: Hello, how may I serve you at this moment?

USER: Please book me a ticket with the fare of 200 as my meeting purpose.

ASSISTANT: Sure, we are mirthful to help you.

USER: Thank you.

ASSISTANT: Can you please help me with providing your airport codes?

USER: My airport codes are from LAS to LAX.

ASSISTANT: May I know on which dates would you like to travel?

USER: I have planned to travel on 05/27 and 05/29.

ASSISTANT: Ok, please wait for a moment, let me check the availability of flights and revert to you.

USER: Ok.

ASSISTANT: We found a connecting flight matching your essentials, flight number 1000 and the fare of 100. Shall I proceed?

USER: Ok, please book this ticket.

ASSISTANT: Your ticket has been reserved with Hawaiian airlines.

USER: Ok, thank you.

ASSISTANT: Thank you for approaching us. Have a safe journey.