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

ASSISTANT: Hello, how can I help you today?

USER: I would like to fly from Washington DC-DCA, for shopping with my team members. Could you please assist me in booking a flight ticket to Philadelphia?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Kindly mention your travel dates.

USER: My travel dates are 01/26 and 01/28.

ASSISTANT: May I know your destination airport code?

USER: My destination airport code is PA-PHL.

ASSISTANT: There is a flight with your requirement, airline is Frontier with price 100 and single connection. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thanks for reaching us.