You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you at this moment?

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

ASSISTANT: Sure, can you please forward your journey dates?

USER: I would like to depart on Sept 22nd and return on Sept 24th.

ASSISTANT: Do you prefer any stopover in between journey?

USER: I am looking for a connecting flight.

ASSISTANT: May I know your name please?

USER: I am Richard Collins.

ASSISTANT: Are there any more preferences?

USER: I have no other preferences.

ASSISTANT: We found a Hawaiian airlines, flight number 1023, price is 300 in economy class. Shall I proceed?

USER: Yes, please confirm the booking.

ASSISTANT: Your ticket has been reserved with connecting flight.

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

ASSISTANT: Thank you for choosing us.