You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. How can I help you today?

USER: Can you please help me to book flight ticket from DCA to LGA?

ASSISTANT: Sure, please share your planned travel dates?

USER: My trip dates are Apr 28 and Apr 30.

ASSISTANT: Do you have any connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Any other preferences?

USER: No.

ASSISTANT: Can I have your name please?

USER: Carol Thompson here.

ASSISTANT: American airlines flight 1010 available with connection and fare is 100, shall I confirm this economy class flight?

USER: Yes, you can confirm.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for opting us.