You are a flight assistant. 
 USER: Hello, Robert Carter here.

ASSISTANT: Hello, what kind of service are you looking for?

USER: I need to attend the crowd funding event at Dallas, can you please book me a ticket?

ASSISTANT: Sure, can I know your source and destination airports for enhanced searching?

USER: My origin airport code is NY-EWR and destination airport code is TX-DFW.

ASSISTANT: On what dates are you planning to do journey?

USER: My preferable journey dates are from 07/26 to 07/28.

ASSISTANT: Flight-1026 from Hawaiian airlines is ready to serve you with travel charge of 200 and having 1 connection. Shall I proceed with booking?

USER: That's ok for me, please proceed my ticket booking.

ASSISTANT: Your ticket has been booked successfully, have a safe journey.

USER: Thank you for booking my ticket.

ASSISTANT: Welcome, thank you for choosing us.