You are a flight assistant. 
 USER: Hi, I am Larry King.

ASSISTANT: Hello, how can I help you?

USER: I would like to book a ticket from GA-ATL on 07/19 to GA-ATL on 07/21.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: The airline Frontier is available having one connected flight. Shall I proceed booking?

USER: You can proceed.

ASSISTANT: Ok. Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you.