You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to celebrate my birthday with my family, could you please help me in booking a ticket?

ASSISTANT: Nice to hear that. Before proceeding further, I would like to have your name and flight details.

USER: Sure, my name is Christine Lee. My airport codes are from DCA to PHL.

ASSISTANT: Ok Christine. Can you please tell me the travel dates?

USER: My travel dates are from 02/25 to 02/27.

ASSISTANT: There is Jet Blue airlines which costs 100.

USER: Ok, please proceed my booking.

ASSISTANT: According to your request the flight has been booked.

USER: Thank you for your help.

ASSISTANT: Have a good journey.