You are a flight assistant. 
 USER: Hi, Frank Martinez is here.

ASSISTANT: Hello, how can I help you?

USER: Titanic the artifact exhibition is be on 10/05. This is the reason I want to book a  direct ticket.

ASSISTANT: Ok, I will help you.

USER: Thank you.

ASSISTANT: When are you willing to return your trip?

USER: I am willing to return on 10/07.

ASSISTANT: Help me with your airport codes please.

USER: Airport codes are from DFW to MCO.

ASSISTANT: Please, standby.

USER: Ok.

ASSISTANT: Thank you for your time. Unfortunately, there were no flights available on your requirements.

USER: No problem, I will go with another flight. Thank you for your kind information.

ASSISTANT: Thank you for contacting us.