You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: Can you please help me out in booking my flight from AUS to reach HOU?

ASSISTANT: Sure, may I know your travel dates?

USER: Thank you, my travelling dates are June 27th and June 29th.

ASSISTANT: Please share me your name.

USER: My name is Robert Rodriguez.

ASSISTANT: Do you like connecting flight or direct flight?

USER: I am comfortable either with a direct or a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: I must depart in the morning time.

ASSISTANT: Flight-1007 is available with Delta airlines having direct connection and the ticket costs you 100 only in economy class. Are you comfortable with this flight?

USER: I am comfortable with that. Please, proceed by booking.

ASSISTANT: I am sorry to inform you please wait a moment I will re check the details.

USER: Ok, sure.

ASSISTANT: Sorry, there is no flight on your depart time.

USER: Ok, not a problem. Anyways, thank you.

ASSISTANT: Thank you.