You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Helen Collins, want to book my round trip ticket from EWR. Can you help me?

ASSISTANT: Sure, may I know your travelling dates please?

USER: My travelling dates are from 11/25 to 11/27.

ASSISTANT: There is a flight which can travel to your region having a single lay out in between your journey having a ticket fare of 100 which is provided by UA airlines. Would you like to book this flight for your journey?

USER: Please proceed with booking.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you.

ASSISTANT: Most welcome.