You are a flight assistant. 
 USER: Hello, I am John Davis.

ASSISTANT: Hello, how may I aid you?

USER: Can you please help me in booking a flight to LGA as I want to attend for my cousin's wedding?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are from 07/21 to 07/23.

ASSISTANT: Could you please provide me your source of airport code?

USER: My source code is DCA.

ASSISTANT: Please wait a moment, I will check and get back to you.

USER: Ok.

ASSISTANT: Thanks for waiting, I am happy to say that we found a flight on your details with airline Spirit and flight number: 1014. Shall I proceed for booking?

USER: You can proceed with booking.

ASSISTANT: Your ticket has been done.

USER: Thank you for your help.

ASSISTANT: Thank you so much for communicating us.