You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Please book a ticket from PHL to DCA to attend Film festival.

ASSISTANT: Sure, please share me your trip dates.

USER: My journey dates are Sept 9 and Sept 11.

ASSISTANT: Is there any time concern for you?

USER: No.

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

USER: Sure, I am Jessica Robinson.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I would like to travel in single connected flight.

ASSISTANT: May I know your class preferences?

USER: I am comfortable with any class.

ASSISTANT: We found a AA airline and 1005 is flight number with a fare of 100. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket is confirmed with an economy class.

USER: Thank you.

ASSISTANT: Thank you for availing us.