You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

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

ASSISTANT: Sure, can you give me your trip dates?

USER: My travelling dates will be on July 24 to July 26.

ASSISTANT: Do you need any connections?

USER: I need a connecting flight.

ASSISTANT: Are there any other preferences?

USER: No.

ASSISTANT: May I know your name?

USER: Ryan Jones here.

ASSISTANT: Connecting flight number 1002 with price 100 in economy class is available. Is it ok for you?

USER: You can proceed to booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.