You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Can you please hold me a flight ticket from IAH to DEN?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My trip dates are 07/05 - 07/07.

ASSISTANT: May I know your connection limit?

USER: I need a single connection.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your good name?

USER: Patricia Roberts here.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: Not a problem, thank you.

ASSISTANT: Thank you for reaching us.