You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I want to book a flight ticket from Charlotte CLT to IAD. Can you find a flight ticket for me?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Ok, my itinerary dates are on Oct 11 and return on Oct 13.

ASSISTANT: Is there any connection limit?

USER: Yes, I need a single connecting flight.

ASSISTANT: Do you have any other preferences?

USER: No, I don't have any other requirements.

ASSISTANT: May I know your name?

USER: Ok, my name is Emily Lopez.

ASSISTANT: We found a direct flight in Hawaiian Airlines with flight number 1029 having an economy class. Shall I proceed to book?

USER: Ok, you can proceed with the ticket booking.

ASSISTANT: Your booking has been processed.

USER: Thank you for your service.

ASSISTANT: Thank you.