You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I need you to book a flight ticket from DEN to DCA, please help me.

ASSISTANT: Sure, please share me your journey dates.

USER: July 24 and 26 are my planned travelling dates.

ASSISTANT: For booking, we need your good name. Please mention it.

USER: Ruth Gonzalez here.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I need a connecting flight.

ASSISTANT: May I know your class preferences?

USER: I am ok with any class to fly.

ASSISTANT: We found a Frontier airline and 1012 is flight number with a fare of 100. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Your ticket is confirmed with an economy class.

USER: Thank you very much.

ASSISTANT: Thank you for reaching us.