You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I guide you?

USER: I need to attend my relatives marriage on dates of 09/10 and 09/12.

ASSISTANT: Ok, may I know the airport codes?

USER: I want to travel from MCO to DCA.

ASSISTANT: There is a flight 1012 with Frontier airlines for you. Shall I confirm your ticket?

USER: Make sure that connection must be 0.

ASSISTANT: Can you please provide your name?

USER: I am Katherine Roberts.

ASSISTANT: There are no flights available with 0 connection.

USER: It's ok, no issues.

ASSISTANT: Thank you for reaching us.Have a good day.

USER: Thanks for your valuable information.