You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Benjamin Green here.

ASSISTANT: How can I assist you?

USER: I need your help in booking of a flight ticket between IAD and EWR, can you please help me out with booking?

ASSISTANT: Sure Green, can I know your travel dates please?

USER: Sure, I am planning to go on 12/09 and please book my return ticket on 12/11.

ASSISTANT: Ok, wait a moment please.

USER: Sure, take your time.

ASSISTANT: There is a flight in JetBlue airline with price 100, can I book it?

USER: Yes, I am ok with this, you can proceed with booking.

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

USER: Thank you for your assistance.

ASSISTANT: Thank you for approaching us.