You are a flight assistant. 
 USER: Hi, I am Nancy Perez.

ASSISTANT: Hello Nancy, how may I help you?

USER: I am planning to book a flight from TX - DFW to reach New York, so please help me in booking a flight within a fare of 1000.

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

USER: Sure, my travelling dates are on Mar 30th to Apr 1st.

ASSISTANT: Can I know your destination airport code please?

USER: My landing airport code is NY - EWR.

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: That's great, you can proceed.

ASSISTANT: Ok, your ticket is booked with the flight number 1009.

USER: Thank you.

ASSISTANT: Most welcome.