You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Mary Wright. Can you please reserve me a flight ticket from AUS to HOU?

ASSISTANT: Sure, kindly share your travel dates.

USER: My travel dates are May 02 and May 04.

ASSISTANT: Do you have any connection preference?

USER: Yes, I need a connecting flight.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry to say, no flights found with your requirement.

USER: Ok, no problem. Thank you.

ASSISTANT: Thanks for reaching us.