You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to book a ticket from LAS to IAD to attend workshop, can you help me in booking?

ASSISTANT: May I know the planned itinerary travel dates?

USER: I am departing on Oct 15 and return on Oct 17.

ASSISTANT: Is there any class preference?

USER: I am ok with any class.

ASSISTANT: May I know if you have any airline preference?

USER: I do not have any other preferences.

ASSISTANT: May I know your name please?

USER: My name is Helen Gonzalez.

ASSISTANT: Give me a moment.

USER: Sure, take your time.

ASSISTANT: Hawaiian Airlines with flight 1015 is providing service on your route with double connection in the economy class with the cost of 100.

USER: Please proceed for booking.

ASSISTANT: Your ticket is booked where departure LAS 5:00 AM Oct 15 and arrival IAD 10:00 AM Oct 17.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.