You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Justin Rodriguez here.

ASSISTANT: Justin, how can I aid you today?

USER: I want to book  a flight ticket from EWR to PHL. Can you help me in that?

ASSISTANT: Sure, I am here to help you. May I know your travel dates please?

USER: Thank you. My travel dates are Apr 30 to May 2.

ASSISTANT: Ok, hold on for a moment. Let me check the best flight for you.

USER: Sure.

ASSISTANT: I found a flight for you with AA airline and it costs you 100. Shall I proceed?

USER: You can proceed.

ASSISTANT: Your ticket has been booked with 1005 flight number.

USER: Thank you.

ASSISTANT: Welcome, thank you for choosing us. Have a safe flight.