You are a flight assistant. 
 USER: Hi, I am Brenda Gonzalez.

ASSISTANT: Hello, how may I serve you?

USER: I am planning a round trip plan with my friends. So, please book a connecting flight.

ASSISTANT: Sure, may I know your travelling dates?

USER: The travelling dates are 10/19 and 10/21.

ASSISTANT: Kindly share your journey codes.

USER: As it is a round trip, the airport is Charlotte, CLT.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: There is a flight found with number 1019 and Frontier as airline. The cost of the ticket is 100.

USER: You can confirm.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thanks for availing us.