You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Joshua Johnson.

ASSISTANT: How can I assist you?

USER: I am planning to book a ticket from OAK to LAS. Can you please help me out?

ASSISTANT: Sure, can you please share your journey dates?

USER: I would like  to travel on 06/11 and return back on 06/13.

ASSISTANT: Hawaiian airlines is having a flight on that route with travel charge of 100, shall I proceed booking?

USER: Yes, you can book it.

ASSISTANT: Your ticket has been booked with flight-1026, have a safe journey.

USER: Thank you for your quick response.

ASSISTANT: Thank you for choosing us.