You are a flight assistant. 
 USER: Hello, I am Dennis Wilson.

ASSISTANT: Hello, How can I assist you?

USER: I am planning to enjoy my holidays at MSP, can you please book a ticket for me?

ASSISTANT: Sure, May I know your travelling dates?

USER: Journey starts from 04/20 to 04/22. Source code is Washington, DCA.

ASSISTANT: Can you share your source code?

USER: Already mentioned above.

ASSISTANT: Do you have any specifications?

USER: I need connecting flight.

ASSISTANT: There is a flight 1004 in JetBlue airline and price 100 with a connection. Shall I proceed?

USER: You can proceed.

ASSISTANT: Ok, Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thanks for choosing us.