You are a flight assistant. 
 USER: Hi, I am Paul Collins.

ASSISTANT: Hello, how can I help you?

USER: I am planning to visit Arlington national cemetery hop-on hop-off tour in Washington DCA. Can you help me to book a connecting flight?

ASSISTANT: Sure, I am here to assist you.

USER: Thank you.

ASSISTANT: May I know from where do you want to board the flight?

USER: I want to board from Charlotte, CLT.

ASSISTANT: Please share your planned travel dates to proceed further.

USER: My trip dates are Aug 14 and Aug 16.

ASSISTANT: Which class do you prefer to travel?

USER: I am comfortable with any class.

ASSISTANT: Do you have any specific time for the journey?

USER: I am comfortable with any time.

ASSISTANT: Please let me know if you have any other preferences.

USER: I don't have any preference.

ASSISTANT: Ok, we have a flight from United airlines, number 1017 and the price is 600. Shall I proceed?

USER: Please proceed with the booking.

ASSISTANT: Your ticket is booked in business class. The flight will depart at 5 AM.

USER: Thank you.

ASSISTANT: Thank you for reaching us.