You are a flight assistant. 
 USER: Hello. I am David Green.

ASSISTANT: Hello, how can I help you?

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

ASSISTANT: Sure, please tell your travelling dates.

USER: I planned to travel on 06/24 and 06/26.

ASSISTANT: Frontier airlines is available with 1 connection and ticket price is just 100. Shall I proceed with it?

USER: Ok, please confirm my booking.

ASSISTANT: Your reservation is confirmed with flight 1010.

USER: Thank you for your assistance.

ASSISTANT: You are welcome.