You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What type of service are you expecting from me?

USER: My family has planned a trip to visit Los Vegas to see the Arts gallery, but my ticket is not booked. So, can you please book a flight ticket for me to travel there?

ASSISTANT: Sure, I am glad to help you. Could you please help me with your visiting places airport codes?

USER: Sure, my source airport code is OAK and my destination airport code is LAS.

ASSISTANT: On which dates you want me to book your tickets?

USER: I want to egress my journey on 06/28 and my return will be on 06/30.

ASSISTANT: Thank you for providing your credentials to us, please give me a moment to find a flight for you.

USER: Sure, I will wait for your information.

ASSISTANT: Hawaiian airlines is found with a ticket fare of 200 and with a drop of journey in your route when I search in my database. Shall I proceed for further?

USER: Ok, I am fine with that please proceed for booking.

ASSISTANT: To proceed further, could you please tell me your name?

USER: My name is Donna Robinson.

ASSISTANT: Your ticket has been booked with flight 1015.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing our service to fly.