You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Kennith Harris.

ASSISTANT: How can I assist you?

USER: I want to attend my friend's birthday party, can you help me in booking the ticket?

ASSISTANT: Sure, can I know your airport codes?

USER: It's from EWR to DEN.

ASSISTANT: Can I know your travel dates?

USER:  The dates of travel are 04/14 to 04/16.

ASSISTANT: Give me a minute, let me check the details. The flight 1011 of Hawaiian airlines is available on your requested dates. Shall I book the ticket?

USER: Please proceed the booking.

ASSISTANT: Ok. Your ticket is booked.

USER: Thank you for helping me out.

ASSISTANT: Welcome.