You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am planning to attend my sister marriage in DCA, can you please help me in booking my flight ticket?

ASSISTANT: Sure, can I know the travel dates please?

USER: My travelling dates are 04/30 and 05/02.

ASSISTANT: May I know your name and your location please?

USER: Myself Anthony Smith.

ASSISTANT: Can I know your source airport code please?

USER: My source code is CLT.

ASSISTANT: Ok, wait a moment please. There is a flight in JetBlue airline with price 100.

USER: Ok, please proceed.

ASSISTANT: Your ticket has been booked with flight number 1002.

USER: Thank you for your help.

ASSISTANT: You are welcome.