You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Susan Young here, I want to reserve my ticket from AUS to HOU, can you please help me?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: Sure, my preferable dates of journey is from 04/21 to 04/23.

ASSISTANT: Ok, please hold on for a moment.

USER: Sure, but make sure that the connections limit is 1.

ASSISTANT: Sorry to say, no flights were found on your dates.

USER: Ok, no problem. Thank you for your service.

ASSISTANT: Thank you for reaching us, have a nice day.