You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: Please reserve a flight ticket under my name Ryan Carter to attend a flower festival on 10/14.

ASSISTANT: Ok, Can I know your return date of trip?

USER: I will return on 10/16.

ASSISTANT: Help me with your airport codes of journey.

USER: I would like to start from Orlando, MCO to reach Charlotte, CLT.

ASSISTANT: Please, wait for a moment.

USER: Ok.

ASSISTANT: Thank you for being patience. Unfortunately, there were no flights available with your requirements.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for availing us.