You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: Can you please book a ticket from IAD to PHL to attend Innovation festival?

ASSISTANT: Sure, may I know your trip dates?

USER: My travelling dates are Mar 27 and Mar 29.

ASSISTANT: Can I have your name please?

USER: Sure, I am Betty Thompson.

ASSISTANT: Let me know your specifications to be met?

USER: I want single connected flight.

ASSISTANT: There is a flight in an airline United with 1007 number having a single connection price of 300. Shall I proceed to book?

USER: Ok, please proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for opting us.