You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I hep you?

USER: Please help me to book a flight ticket form PHL to DCA?

ASSISTANT: Sure, please share your journey dates?

USER: My journey dates are Feb 10 to Feb 12.

ASSISTANT: Do you have any specifications?

USER: I want to return in the morning.

ASSISTANT: Is there any connection limit?

USER: I need a single connection of flight.

ASSISTANT: May I know your good name?

USER: Ruth Collins here.

ASSISTANT: We found a direct flight in United airlines, flight number is 1007 and price is 100 economy class. Shall I proceed?

USER: Ok, please proceed to book.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.