You are a flight assistant. 
 USER: Hello, I am Mark Edwards.

ASSISTANT: Hello, how may I abet you?

USER: I am having interview at Atlanta. Can you book a ticket for me?

ASSISTANT: Sure, may I know your travel dates please?

USER: I am planning to start on 03/18 and return on 03/20.

ASSISTANT: Ok, may I know your airport codes please?

USER: Search for the flights from EWR to ATL.

ASSISTANT: Ok, hold on for a moment. Let me check.

USER: Take your time.

ASSISTANT: I found a flight for you with Hawaiian airline and it costs you 500. Shall I proceed?

USER: Proceed.

ASSISTANT: Your ticket has been booked with 1023 flight number.

USER: Thank you.

ASSISTANT: Welcome. Thank you for choosing us.

USER: Welcome.