You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I would like to visit Denver Zoo with my family, please help me in booking a ticket from LAX to DEN.

ASSISTANT: Sure, can you please let me know your travelling dates?

USER: My planned travel dates are on July 22 and July 24.

ASSISTANT: Do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT:  Do you have any particular time for departing and returning?

USER: No, thank you for asking.

ASSISTANT: Do you need any specifications in connection?

USER: I prefer a connecting flight.

ASSISTANT: Can I know your name for booking your flight ticket?

USER: My name is Brian Robinson.

ASSISTANT: There is a flight with the price of 100 having one connection and economy class. Can I proceed to booking?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket is booked with the flight- 1003.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.