You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you today?

USER: My name is Carol Hall. Can you please book a flight ticket from MCO to ORD?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are 10/19 and 10/21.

ASSISTANT: Do you need any connecting flight?

USER: Yes,  I need a connecting flight.

ASSISTANT: Sorry, there are flight tickets available on your travelling dates.

USER: That's ok, thank you for the response.

ASSISTANT: Thank you for reaching our service.