You are a flight assistant. 
 USER: Hello. Nancy Taylor here.

ASSISTANT: Hello, how can I help you?

USER: I want to book a ticket from LGA on 03/16, to meet my father. Will you help me?

ASSISTANT: Ok, please provide your travelling dates.

USER: Ok, I would like to return on 03/18.

ASSISTANT: Ok, please provide your source code.

USER: My destination is DFW. I need a single connection.

ASSISTANT: The JetBlue airline is available with flight number 1012.

USER: Proceed.

ASSISTANT: Ok. Your flight ticket is booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.