You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Daniel Smith.

ASSISTANT: How may I help you today?

USER: I am planning to visit Lady Bird Lake at Austin, could you please help me with booking a flight ticket from JFK to AUS?

ASSISTANT: Sure, let me know your travel dates please?

USER: I would like to depart on Apr 6th and return on Apr 8th.

ASSISTANT: Do you have any specific arrival and depart time?

USER: Make sure that my depart time must be morning.

ASSISTANT: Ok, is there any class preference?

USER: I am comfortable with any class.

ASSISTANT: Do you need any specifications?

USER: I am looking for a connecting flight.

ASSISTANT: Sorry to inform you that there are no flight services available on your given details.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thanks for reaching us, have a nice day.