You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I render you today?

USER: I am Joseph Wright.

ASSISTANT: Ok.

USER: Please help me in booking my flight ticket from Houston to Las Vegas LAS?

ASSISTANT: Sure, I would be happy to help you. Can you please provide your take off  airport code?

USER: I am planning to start my journey from Houston HOU.

ASSISTANT: Let me know your connection limit.

USER: I need connecting flight.

ASSISTANT: In which class would you like me to book your flight ticket?

USER: I do not have any class preference.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: My travelling dates are Sept 26 and Sept 28.

ASSISTANT: Do you have any other requirements?

USER: I need my depart flight at morning time.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Ok, sure.

ASSISTANT: We found 1004 Hawaiian airlines with single connection with economy class and depart in the 11:00 AM. Shall I proceed with the booking?

USER: Ok, please proceed with booking.

ASSISTANT: Your ticket has been reserved with price 200.

USER: Thank you for your help in booking my flight ticket.

ASSISTANT: Thanks for the assistance.