You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: I want to book a flight from Orlando to visit my grand father's house. Can you book a connecting flight for me?

ASSISTANT: Sure, I am glad to help you with that. Can you please provide your preferable dates of travelling?

USER: I will travel on May 29th and return on May 31.

ASSISTANT: Ok, may I know your regional airport codes for booking?

USER: My source point is MCO and my destination is AUS.

ASSISTANT: On whose name I have to book the flight ticket?

USER: Please book flight ticket on name of Emily Jones.

ASSISTANT: Do you have any connection limit?

USER: I want single connection flight.

ASSISTANT: Is there any other specifications do you have?

USER: No.

ASSISTANT: Please be on hold to check the flights.

USER: Sure.

ASSISTANT: We regret to inform you that, there are no flights available for your journey with your requested dates of travelling.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for reaching us, have a great day.