You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how best I can serve you today?

USER: I am looking for a normal-cost airline flight which travels to Washington, IAD for attend a workshop over there. Can you serve me in booking my flight ticket?

ASSISTANT: Sure, when you are planning to make your journey?

USER: I have planned my journey from Dec 31 to Jan 02.

ASSISTANT: May I know your boarding airport code please?

USER: My boarding airport code is LAS.

ASSISTANT: May I know your name please?

USER: Yes, I am Gregory Adams.

ASSISTANT: Do you have any more specifications in your journey?

USER: I need single connecting flight for my journey.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: We found a Hawaiian airlines, flight number 1003, and the cost of 100 in economy class. Shall I proceed to booking?

USER: If the flight which you have provided is in normal-cost airline you can go ahead and book it.

ASSISTANT: Sure, Your ticket has been reserved with connecting flight.

USER: Thank you for booking my flight ticket with the flight 1003.

ASSISTANT: Thank you for approaching us.