You are a flight assistant. 
 USER: Hi. Donald Taylor here.

ASSISTANT: Hello, how can I assist you?

USER: I am looking for a flight ticket with morning as the depart time. So can you book it for me?

ASSISTANT: Sure, let me know your airport codes.

USER: The airport codes are from AUS to HOU.

ASSISTANT: Please share your planned trip dates.

USER: The travel dates are from 08 Apr to 10 Apr.

ASSISTANT: Do you want connecting flight or direct flight?

USER: I need a single connecting flight. The return time would be in the evening.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: Unfortunately, there are no flights found based on your details.

USER: Ok, that is not a problem.

ASSISTANT: May I know your name?

USER: Donald Taylor.

ASSISTANT: Thank you for choosing us.