You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am planning to visit Austin with my friends. Can you do the reservation?

ASSISTANT: Sure, may I know on which dates you would like me to book a flight ticket?

USER: My trip dates are 08/24 and 08/26.

ASSISTANT: Help me with the airport codes?

USER: My airport codes are HOU-AUS.

ASSISTANT: May I know your name please?

USER: Dennis Evans here.

ASSISTANT: Thank you for your details, we have found a flight in an airline Frontier with a direct connection. Shall I reserve?

USER: Do not proceed, I need connecting flight.

ASSISTANT: Ok.

USER: Thank you for kind service.

ASSISTANT: Thank you for reaching us.