You are a flight assistant. 
 USER: Hi. I am Lisa Clark.

ASSISTANT: Hello, how may I help you today?

USER: Could you please help me in booking a flight ticket from Washington, DC - IAD to Oakland, CA - OAK?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your planned travel dates?

USER: My trip dates are 12/27 - 12/29.

ASSISTANT: Do you need a connection in between your journey?

USER: I need a single connection.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We found a connecting flight in Frontier airline of flight number 1013 having a fare 100. Shall I proceed to book?

USER: Please reserve.

ASSISTANT: Your reservation has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.