You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Donald Parker here. Could you book my ticket from MCO to PHL?

ASSISTANT: Could you please provide your travelling dates to search for the flight?

USER: My itinerary dates are Mar 6 and Mar 8.

ASSISTANT: May I know your airline preference please?

USER: I am comfortable with any airlines, please book my return ticket in the afternoon.

ASSISTANT: Do you have any class preference please?

USER: No, I need a connecting flight.

ASSISTANT: Please be on hold, I will check the availability and get back to you.

USER: Sure, take your time.

ASSISTANT: Sorry Parker, there is no flight found as per your travelling details.

USER: No problem, I will find an alternative way to travel.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your service.