You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Charles Collins.

ASSISTANT: How can I assist you today?

USER: I want a flight ticket from IAD to EWR, can you please help me in searching a flight?

ASSISTANT: Sure, please mention your travelling dates.

USER: My travelling dates are 02/10 and 02/12.

ASSISTANT: Please give me a moment.

USER: Ok, take your time.

ASSISTANT: There is a flight with price 500 and the connections 1 is available.

USER: Yes, please proceed with ticket booking.

ASSISTANT: Your ticket is booked. The flight number is 1023.

USER: Thank you for helping me.

ASSISTANT: Welcome, have a great day.