You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I want to reserve my ticket from HOU to AUS, can you please help me in booking?

ASSISTANT: Sure, May I know your travelling dates?

USER: Sure, my planned dates of journey are from Apr, 23 to Apr, 25.

ASSISTANT: Do you have any connection limit?

USER: Yes, I want to fly in a connecting flight.

ASSISTANT: Any other preferences?

USER: Not required.

ASSISTANT: May I know your name?

USER: Sure, my name is Kevin Wright.

ASSISTANT: Sorry, there are no flights found with your data.

USER: Ok, no problem. Anyways, thank you for your service.

ASSISTANT: Thank you.