You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Pamela Harris. I would like to travel from IAH to DEN. Can you please help me to book a ticket?

ASSISTANT: Sure, can I know your travelling dates?

USER: My travelling dates will be on Aug 21 to Aug 23.

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

USER: I want to return in the afternoon.

ASSISTANT: Would you like to prefer direct flight or connecting flight?

USER: I need a connecting flight.

ASSISTANT: Which class do you prefer?

USER: I am comfortable with any flight.

ASSISTANT: We found Hawaiian airline with price 700 and business class and airline number is 1010 with arrival time is 16 PM and departure time is 07 AM, Shall I proceed for booking?

USER: You can proceed to booking.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.