You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am John Martin. I would like to book a ticket from MCO to IAH, can you please help me out?

ASSISTANT: Sure, May I know your trip dates?

USER: I am travelling on these dates May 9th and 11th.

ASSISTANT: Do you need any flag stop in your journey?

USER: I need a single connected flight.

ASSISTANT: May I know your specific timings to travel?

USER: I prefer departure time in the morning.

ASSISTANT: Do you have any other preferences?

USER: I prefer single connection.

ASSISTANT: Sorry to inform you that, there are no flights available with your requirements.

USER: Ok no problem, thank you for your services.

ASSISTANT: Thank you for reaching us.