You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Can you please book a ticket from CLT to IAH?

ASSISTANT: Sure, I am here to help you. Can you please share your travel dates?

USER: My travelling dates are on Feb 22 and Feb 24.

ASSISTANT: Do you have any connection limit?

USER: I need single connection.

ASSISTANT: May I know your airline preference?

USER: I need normal cost airline.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name please?

USER: My name is Betty Garcia.

ASSISTANT: Sorry, there are no flights in this route as per your travelling details.

USER: Ok, not a problem. Thank you for informing me.

ASSISTANT: Thank you for choosing us.