You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Can you help me to book a flight ticket from MCO to IAH?

ASSISTANT: Sure, We are here to help you. Can I know your travelling dates?

USER: Thank you. Sept, 26 and Sept, 28 are my travelling dates.

ASSISTANT: Do you need any break?

USER: No, I need direct flight.

ASSISTANT: May I know your name?

USER: James Miller here.

ASSISTANT: Is there any other specifications?

USER: No, thanks.

ASSISTANT: Please wait a while.

USER: Sure.

ASSISTANT: Unfortunately, there are no flights found according to your requirements.

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

ASSISTANT: Thank you for reaching us.