You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: Can you please help me to book a ticket from MCO to HOU?

ASSISTANT: Sure, can you please share me with your dates of journey?

USER: My travelling dates will be on Sept 18 to Sept 20.

ASSISTANT: Please share me your name?

USER: George Hernandez here.

ASSISTANT: Are you expecting any other specifications please?

USER: I would prefer a economy class.

ASSISTANT: Do you have any other requirements please?

USER: I want to depart in the morning flight.

ASSISTANT: Please wait for a mean while.

USER: Ok.

ASSISTANT: Sorry George, there is no flight found as per your travelling details.

USER: Ok, not an issue. Thank you.

ASSISTANT: You are welcome.