You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you?

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

ASSISTANT: Sure, help me with the trip dates?

USER: I would like to depart on July 17th and return on July 19th.

ASSISTANT: Do you have any preferences?

USER: I am looking for a connecting flight.

ASSISTANT: We found a flight in an airline Delta with 1009 number having a single connection price of 100. Shall I proceed to book?

USER: Yes, please confirm the booking.

ASSISTANT: Your flight ticket has been reserved in an economy class. It's depart and return time is in the morning.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thank you for reaching us.