You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I want to book a flight from HOU to CLT. Can you please help me with the booking?

ASSISTANT: Sure, could you please ensure your preferable dates?

USER: Sure, I want to travel on Apr 30 and need to return on May 2.

ASSISTANT: On what name, do I need to reserve the ticket?

USER: Please book my flight under the name of Justin Rodriguez.

ASSISTANT: Is there a connection you prefer in between your journey?

USER: I need a connecting flight which return in morning time with an economy class.

ASSISTANT: Do you have any other restrictions to be met?

USER: No.

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey.

USER: Ok,  not an issue. Thank you for checking.

ASSISTANT: Thank you for reaching us.