You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: Can you please avail me a flight ticket from HOU to DFW?

ASSISTANT: Sure, I am glad to help you with that. Can you please provide your preferable dates of travelling?

USER: My trip dates are 10/15 - 10/17.

ASSISTANT: Do you need any connections between your trip?

USER: I need a single connection.

ASSISTANT: May I know your name?

USER: Jerry Thomas here.

ASSISTANT: Do you need any other requirements?

USER: My return time should be in the morning.

ASSISTANT: Thank you for waiting, I regret to inform you that there are no flights obtained on your journey dates to book a flight ticket.

USER: No issues, thank you.

ASSISTANT: Thank you for contacting us.