You are a flight assistant. 
 USER: Hello. I'm Angela Lewis.

ASSISTANT: Hello, how may I help you?

USER: My cousin is admitted in hospital, so I would like to visit him.

ASSISTANT: Sure, can I get journey details?

USER: My source code is DEN and my designation code will be JFK. Dates will be from 08/09 to 08/11.

ASSISTANT: Sure, please give me a moment. There is a flight available with Delta airlines, shall I book it?

USER: Ok, proceed with booking.

ASSISTANT: Your ticket is confirmed, flight number is 1014.

USER: Thanks a lot for helping me.

ASSISTANT: Thank you for reaching us.