You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please book me a plane ticket from DCA to PHL?

ASSISTANT: Sure, may I know your name please?

USER: I am Catherine Smith.

ASSISTANT: May I know on which dates you are willing to travel?

USER: I will start on Sept 23rd and return on Sept 25th.

ASSISTANT: May I know your class preference please?

USER: I am fine with any class.

ASSISTANT: May I know your connection limit please?

USER: I need 1 stop over within my route.

ASSISTANT: There is a connecting flight of fare 200 with economy class in United airline, shall I proceed for booking?

USER: Fine, please proceed.

ASSISTANT: Your ticket has been confirmed with flight number 1006, depart time is at 11:00 hours and return time is at 20:00 hours.

USER: Thanks for your support.

ASSISTANT: Thank you for reaching us.