You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Please help me to book a flight ticket from AUS to HOU.

ASSISTANT: Sure, may I know your name?

USER: Rebecca Harris.

ASSISTANT: Can you please share your travel dates?

USER: My journey dates are from June, 05 to June, 07.

ASSISTANT: Do you have any specifications?

USER: I need a single connecting flight and I prefer an economy class to fly.

ASSISTANT: Ok, please wait a minute.

USER: Ok.

ASSISTANT: Sorry, there were no flights found on your route.

USER: Thank you for your information.

ASSISTANT: Thank you.