You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am planning to attend music concert at MCO, can you please help me with booking a flight ticket from IAH?

ASSISTANT: Sure, let me know your travel dates please?

USER: I would like to take off on June 19 and return on June 21.

ASSISTANT: May I know your connection limit?

USER: I am looking for a direct flight.

ASSISTANT: Do you need any other preference?

USER: I don't have any other specification.

ASSISTANT: Can I know your name please?

USER: My name is Rebecca Baker.

ASSISTANT: Sorry, there is no flight available for your request.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thanks for contacting us.

USER: You are welcome.