You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Justin Walker.

ASSISTANT: How can I help you?

USER: I am looking to book a flight ticket from ORD to PHL to meet my friend. Can you help me for booking a flight ticket?

ASSISTANT: Sure, I am here to help you in booking. Can you please share your travel dates?

USER: My travelling dates are 04/18 and 04/20.

ASSISTANT: Here, I found a flight for you with single connection. Shall I proceed for booking?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket is booked with flight number 1019 and airline is AA.

USER: Thank you for booking.

ASSISTANT: Welcome, have a safe flight. Thank you for choosing us.

USER: Welcome.