You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you  please book a flight ticket from LGA to MCO?

ASSISTANT: Sure, please share your planned travel dates?

USER: Thank you. I have planned my travel  dates as Sept 21 and Sept 23.

ASSISTANT: Do you have any connection limit?

USER: I am looking for single connecting flight so please check with that.

ASSISTANT: Any other preferences?

USER: I do not have any other specifications.

ASSISTANT: Can I have your name please?

USER: Sure, myself David Lewis.

ASSISTANT: United airlines direct flight 1013 available with fare of 100, shall I confirm this economy class flight?

USER: That  is fine, please proceed with booking.

ASSISTANT: Ok, your ticket has been processed.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.

USER: Most welcome.