You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Dorothy Edwards. I am planning to enjoy my holidays at Philadelphia with my friends, can you please book a ticket for me?

ASSISTANT: Sure, please provide me your travelling dates?

USER: Journey starts from 10/19 to 10/21.

ASSISTANT: May I know your journey points?

USER: Airport codes are DCA to PHL.

ASSISTANT: We found airline JetBlue with a single connection.

USER: Please provide flight number.

ASSISTANT:  Flight number is 1011 with fare 200.

USER: You can proceed.

ASSISTANT: Your ticket is reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.