You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jack Wilson.

ASSISTANT: How can I assist you today?

USER: I want to travel from IAD to PHL. Can you help me to book a flight ticket?

ASSISTANT: Sure, can you please share your travel dates?

USER: I want to travel in the flight on June 14 and June 16.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Jack Wilson, there is a flight available with price 200 and the connection is 1 with Frontier airline. Would you like me to proceed with the booking?

USER: Proceed to booking.

ASSISTANT: Your booking is confirmed with 1023 flight number.

USER: Thank you for your help.

ASSISTANT: You are welcome. Thank you for reaching us.