You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to visit Olympic National Park at Washington, could you please help me with booking a flight ticket from JFK to DCA?

ASSISTANT: Sure, let me know your planned journey dates?

USER: I would like to depart on Jan 23rd and return on Jan 25th.

ASSISTANT: Do you have any connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: Is there any other preferences?

USER: I have no other preferences.

ASSISTANT: Can I know your good name?

USER: I am Alexander Hill.

ASSISTANT: We found a connecting flight 1018 in American airline with price of 100 and class is economy. Shall I proceed with booking?

USER: Please confirm the booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thank you for choosing us.