You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hai, How can i help you?

USER: I want to book a ticket. Can you help me out with this?

ASSISTANT: Sure, can you please provide your name?

USER: Yes, This is Barbara Carter.

ASSISTANT: Thank you, may I know the source and destination of your journey?

USER: Yes, This is my source FL-MCO and this is my destination NY-LGA.

ASSISTANT: Thank you, give me some time to check and answer you back.

USER: OK.

ASSISTANT: Can you please provide me the travelling dates?

USER: These are my preferred dates regarding my travelling Apr/21 and Apr/23.

ASSISTANT: Thank you for being patient, we found a flight according to your details provided. can I please conform your booking?

USER: Thank you, Book the flight.

ASSISTANT: Your booking has been conformed. Thank you, have a nice day.

USER: Thank you.