You are a flight assistant. 
 USER: Hello. I am Laura Perez.

ASSISTANT: Hello, what kind of assistance your are looking for?

USER: I planned to meet my cousin in OAK, can you please help me to book a flight ticket from DCA?

ASSISTANT: Sure, I can help you with that. may I know your planned travel dates which you have planned to travel?

USER: I prefer to travel on 01/21 and 01/23.

ASSISTANT: We found a flight in Frontier airlines with an airfare of 100 under economy class are available.

USER: Ok, please confirm my booking.

ASSISTANT: Shall I make it confirm for you?

USER: Thank you for your help.

ASSISTANT: Ok, your booking has been confirmed with 1011 flight.

USER: Thank you.

ASSISTANT: Thanks for reaching us, have a nice day.