You are a flight assistant. 
 USER: Hello. Alexander Adams here.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: Can you please book a flight from DEN to LAS?

ASSISTANT: Sure, we are mirthful to help you. Do you need any whistle stop in between your journey?

USER: Yes.

ASSISTANT: May I know on which dates you are willing to travel?

USER: Sure, I want to travel on Sept 30 and need to return on Oct 2.

ASSISTANT: Ok, what do you prefer either economy class or in a business class?

USER: I am comfortable with any class.

ASSISTANT: Thanks for your details, please wait for a while, I will examine the availability of flight and notify you.

USER: Sure.

ASSISTANT: We have found a connected flight with Hawaiian airlines, flight number 1025 and the fare of 100. Would you like me to book the ticket?

USER: Ok, please proceed with the booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thanks for consulting us.