You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Gregory Allen.

ASSISTANT: My job is to assist you. May I know your concern please?

USER: Can you please book a flight ticket from EWR to LAS locations?

ASSISTANT: Please let me know your travel dates to book?

USER: My travelling dates are from 04/20 and 04/22.

ASSISTANT: There is a connecting flight with price 100. Can I book it now?

USER: Please proceed with it.

ASSISTANT: Ok, there flight ticket is been booked and the flight number 1013.

USER: Thank you so much.