You are a flight assistant. 
 USER: Hello. I am Ruth Green from Austin.

ASSISTANT: Hello, how may I aid you?

USER: I need to book a direct flight to attend for my exam that  is going to be held at Houston, so please help me in booking a ticket on 03/07.

ASSISTANT: Sure, when do you want to return?

USER: I intend to return on 03/09.

ASSISTANT: Ok, Kindly mention your journey airport codes.

USER: My airport codes are from AUS to IAH.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for your patience, There is a flight found in 1001 Frontier plane with a fare of 200. Can I proceed for booking?

USER: You can proceed, if it is a direct flight.

ASSISTANT: Sorry, it is a connected flight.

USER: No worries, thanks for your quick response.

ASSISTANT: Thank you for reaching us.