You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

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

ASSISTANT: Please let me know the travel dates?

USER: Sure, my travelling dates are Jan 11 and Jan 13.

ASSISTANT: Is there any class preference?

USER: No, I don't have class preference.

ASSISTANT: May I know that, you have any connection limit?

USER: Yes, I need a connection in between the journey.

ASSISTANT: Are there any more preferences that you want to avail?

USER: No.

ASSISTANT: May I know your name please?

USER: My name is Virginia Edwards.

ASSISTANT: Give me a moment.

USER: Ok.

ASSISTANT: Virginia Edwards. I regret to inform that there are no flights on your route with the given dates.

USER: No worries, thank you for the information.

ASSISTANT: Thank you for reaching us.